A certain number has three digits. The sum of the three digits equals 36 times this number. Seven times the left digit plus 9 is equal to 5 times the sum of the two other digits. 8 times the second digit minus 9 is equal to the sum of the first and third.What is the number? -Riddles

A certain number has three digits. The sum of the three digits equals 36 times this number. Seven times the left digit plus 9 is equal to 5 times the sum of the two other digits. 8 times the second digit minus 9 is equal to the sum of the first and third.What is the number? -Riddles
by

1 Answer

Answer :

This one is fairly easy - 324 is the answer.
by

Related questions

I am a five-digit whole number, read the same forward, backward and upside down. My second digit is half my third digit; my fifth digit is the product of my first and last digits; and the sum of my whole is ten. What am I? -Riddles

Description : I am a five-digit whole number, read the same forward, backward and upside down. My second digit is half my third digit; my fifth digit is the product of my first and last digits; and the sum of my whole is ten. What am I? -Riddles

Last Answer : 10801

What is the smallest whole number that is equal to seven times the sum of its digits? -Riddles

Description : What is the smallest whole number that is equal to seven times the sum of its digits? -Riddles

Last Answer : The answer to this math riddle is 21. You probably just guessed to answer this math riddle, which is fine, but you can also work it out algebraically. The two-digit number ab stands for 10a + b since the ... a = 2b. That is, the second digit must be twice the first. The smallest such number is 21.

The square of a two digit number is divided by half the number. After 36 is added to the quotient, this sum is then divided by 2. The digits of the resulting number are the same as those in the original number, but they are in reverse order. The ten's place of the original number is equal to twice the difference between its digits. What is the number?

Description : The square of a two digit number is divided by half the number. After 36 is added to the quotient, this sum is then divided by 2. The digits of the resulting number are the same as those in ... 's place of the original number is equal to twice the difference between its digits. What is the number?

Last Answer : Answer: 46

What two-digit number equals two times the result of multiplying its digits? -Riddles

Description : What two-digit number equals two times the result of multiplying its digits? -Riddles

Last Answer : 36 = 2 x 3 x 6.

I am a three-digit number. All of my digits are prime. One of the numbers is even. Each of my numbers are used only once. The total of my first and last digits equals 10. The total of my first two digits equals 5. -Riddles

Description : I am a three-digit number. All of my digits are prime. One of the numbers is even. Each of my numbers are used only once. The total of my first and last digits equals 10. The total of my first two digits equals 5. -Riddles

Last Answer : This one is fairly easy if you use elimination if you follow all the first 5 steps you get three options: 525, 327, and 723 but if you followed the last step you would reach your answer. The answer was 327.

What is the 4 digit number in which the first digit is one-fifth of the last, and the second and third digits are the last digit multiplied by 3? -Riddles

Description : What is the 4 digit number in which the first digit is one-fifth of the last, and the second and third digits are the last digit multiplied by 3? -Riddles

Last Answer : 1155

Find the four digit number in which the first digit is one fourth of the last digit, the second digit is 6 times the first digit, and the third digit is the second digit plus 3. What is it? -Riddles

Description : Find the four digit number in which the first digit is one fourth of the last digit, the second digit is 6 times the first digit, and the third digit is the second digit plus 3. What is it? -Riddles

Last Answer : 1694

In a two-digit number, the ten digit is one more than twice the units digit. The sum of the digits is 36 less than the number formed by reversing the

Description : In a two-digit number, the ten digit is one more than twice the units digit. The sum of the digits is 36 less than the number formed by reversing the

Last Answer : In a two-digit number, the ten digit is one more than twice the units digit. The sum of ... by reversing the digits. Find the product of the digits

What four digit positive, whole number has its last and first digits equal, addition of its last two digits is equal to its second digit. And the product of the squares of its last two digits is equal to four two noughts. -Riddles

Description : What four digit positive, whole number has its last and first digits equal, addition of its last two digits is equal to its second digit. And the product of the squares of its last two digits is equal to four two noughts. -Riddles

Last Answer : 5945. 5=5. 4+5=9=second digit 4^2 x 5^2 = 400 = four two noughts

Write the given sets in roster form: (a). P = {y: y is an integer and -4 < y < 6}. (b). Q = {y: y is a natural number which is <8} (c). R = {y: y is a 2 digit natural number in which the sum of its digits is 9} -Other

Description : Write the given sets in roster form: (a). P = {y: y is an integer and -4 < y < 6}. (b). Q = {y: y is a natural number which is

Last Answer : (i) A = {x: x is an integer and †3 < x < 7} The elements of this set are †2, †1, 0, 1, 2, 3, 4, 5, and 6 only. Therefore, the given set can be written in roster form as A = {†2, †... and 80 only. Therefore, this set can be written in roster form as C = {17, 26, 35, 44, 53, 62, 71, 80}}.

In an examination mahi scores 64% of marks, nitesh scores 52% of marks and ritesh scores 48% of marks. The maximum mark of the exam is a three digit number, whose sum is 10 and the middle digit is equal to the sum of the other two digits. The number will decreased by 297, if its digit are reversed. approximately what is the average mark obtained by mahi, nitesh and ritesh? A) 247 B) 248 C) 264 D) 284

Description : In an examination mahi scores 64% of marks, nitesh scores 52% of marks and ritesh scores 48% of marks. The maximum mark of the exam is a three digit number, whose sum is 10 and the middle digit is equal to ... what is the average mark obtained by mahi, nitesh and ritesh? A) 247 B) 248 C) 264 D) 284

Last Answer : A) Maximum mark consist of a three digit number let's consider Unit digit place is Z,ten's place digit is Y and hundred's place digit is X. According to the question, Y=x+z---------1 X+Y ... Total number of Mahi, Nitesh and Ritesh =164/100 451=739.61 Required average =739.64/3=246.54~247.

Find the value of 7plus root five ÷by seven minus root five minus seven minus root five ÷by seven plus root five equals to a+7÷11root five b -Maths 9th

Description : Find the value of 7plus root five ÷by seven minus root five minus seven minus root five ÷by seven plus root five equals to a+7÷11root five b -Maths 9th

Last Answer : This answer was deleted by our moderators...

A two digit number is such that the sum of the digits is 11.When the number with the same digits is reversed is subtracted from this number, the difference is 9.What is the number? 1. 23 2. 24 3. 65 4. 14 5. 32

Description : A two digit number is such that the sum of the digits is 11.When the number with the same digits is reversed is  subtracted from this number, the difference is 9.What is the number? 1. 23 2. 24 3. 65 4. 14 5. 32

Last Answer : Answer- 3(65) Explanation:- let the number be written as xy x-ten’s place y units place x+y=11…………………1 (10x+y)-(10y+x)=9 10x+y-10y-x=9 9x-9y=9 x-y=1………………….2 Add (1) & (2) 2x=12 x=6 y=5 the number is 65

What is the formula for the quiz-What is the 4 digit number in which the first digit is one-fifth of the last and the second and third digits are the last digit multiplied by 3?

Description : What is the formula for the quiz-What is the 4 digit number in which the first digit is one-fifth of the last and the second and third digits are the last digit multiplied by 3?

Last Answer : Need answer

How did you arrive at the answer of 1155 for What is the 4 digit number in which the first digit is one-fifth of the last and the second and third digits are the last digit multiplied by 3?

Description : How did you arrive at the answer of 1155 for What is the 4 digit number in which the first digit is one-fifth of the last and the second and third digits are the last digit multiplied by 3?

Last Answer : There are only two single-digit numbers where one is 1/5 of theother. Those are 1 and 5 and they become the outside numbers. Fromthere, it's relatively easy to multiply 5 by 3 to get 15 for theinside numbers.

In a two-digit number, the sum of the digits is 9. If 9 is subtracted from the number, then the digits get reversed. Find the product of the digits

Description : In a two-digit number, the sum of the digits is 9. If 9 is subtracted from the number, then the digits get reversed. Find the product of the digits

Last Answer : In a two-digit number, the sum of the digits is 9. If 9 is subtracted from the number, then the digits get reversed. Find the product of the digits

I am a two-digit number. All my digits are even. No two digits are the same. None of my digits are prime numbers. I am not a multiple of ten. My tens digit is bigger than my other numbers. If you followed all the previous steps, there should be three options remaining the number is the option where if you add all the digits it’s exactly in the middle (in how big the number is) of all the other options with their digits added together. What number am I? -Riddles

Description : I am a two-digit number. All my digits are even. No two digits are the same. None of my digits are prime numbers. I am not a multiple of ten. My tens digit is bigger than my other numbers. ... big the number is) of all the other options with their digits added together. What number am I? -Riddles

Last Answer : If you followed all the steps apart from the last one there will be three options remaining: 64, 84, and 86. You then had to add up the digits, 64=6+4=10, 84=8+4=12, and 86=8+6=14. ... biggest number (12) and put it back as it was before the digits were added together and your answer should be 84.

I am a three digit number. My second digit is four times bigger than the third digit. My first digit is 3 less than my second digit. What number am I?

Description : I am a three digit number. My second digit is four times bigger than the third digit. My first digit is 3 less than my second digit. What number am I?

Last Answer : A: 141.

The 2 digit number which becomes (5/6)th of itself when its digits are reversed. The difference in the digits of the number being 1, then the two digits number is (a) 45 (b) 54 (c) 36 (d) None of these

Description : The 2 digit number which becomes (5/6)th of itself when its digits are reversed. The difference in the digits of the number being 1, then the two digits number is (a) 45 (b) 54 (c) 36 (d) None of these

Last Answer : (b) 54

The 2 digit number which becomes (5/6)th of itself when its digits are reversed. The difference in the digits of the number being 1, then the two digits number is (a) 45 (b) 54 (c) 36 (d) None of these

Description : The 2 digit number which becomes (5/6)th of itself when its digits are reversed. The difference in the digits of the number being 1, then the two digits number is (a) 45 (b) 54 (c) 36 (d) None of these

Last Answer : (b) 54

If the positions of the digits of a two digit number are interchanged, the number obtained is smaller than the original number by 27. If the digits of the number are in the ratio of 1 : 2, what is the original number ? a) 25 b) 81 c) 36 d) Cannot be determined e) None of these

Description : If the positions of the digits of a two digit number are interchanged, the number obtained is smaller than the original number by 27. If the digits of the number are in the ratio of 1 : 2, what is the original number ? a) 25 b) 81 c) 36 d) Cannot be determined e) None of these

Last Answer : Cannot be determined Answer: d)

In a two-digit number, the sum of the digit is 5 more than the units digit. The difference between the original number and the sum of digits is 10 mor

Description : In a two-digit number, the sum of the digit is 5 more than the units digit. The difference between the original number and the sum of digits is 10 mor

Last Answer : In a two-digit number, the sum of the digit is 5 more than the units digit. The ... the digits. Then find the difference between the digits.

What is a two digit number whose sum of those digits is the square root of that number?

Description : What is a two digit number whose sum of those digits is the square root of that number?

Last Answer : The number is 81.

From a cask of milk containing 45 litres, 9 litres are drawn out and the cask is filled up with water.If the same process is repeated a second, then a third time, what will be the number of litres of milk left in the cask? a) 31.2 b) 20.9 c) 23.04 d) 12.39 e) 15.36

Description :  From a cask of milk containing 45 litres, 9 litres are drawn out and the cask is filled up with water.If the same process is repeated a second, then a third time, what will be the number of litres of milk left in the cask? a) 31.2 b) 20.9 c) 23.04 d) 12.39 e) 15.36

Last Answer : C where x is the initial quantity of milk in the cask y is the quantity of milk withdrawn in each process and n is the number of processes. Initial quantity:45 Withdrawn quantity=9 number of times repeated=3 ... ] Quantity of milk left after the 3rd operation =45*(45-9)/45)^3 = 23.04 litres.

If the equation x2 minus ax plus 2b equals 0 has prime roots where a and b are positive integers then a minus b is equal to?

Description : If the equation x2 minus ax plus 2b equals 0 has prime roots where a and b are positive integers then a minus b is equal to?

Last Answer : I think you mean the roots are prime numbers.Let the two roots be primes p and qThen the equation factorises to (x - p)(x - q) = 0 which can beexpanded to give:x² - (p + q)x + pq = 0Which comparing ... = 2(It doesn't matter if the other prime is even (2) or not as itcancels out from a - b.)

0,1,2,3,4,5,6,7,8,9 Use the digits above once each only to compose two fractions which when added togeather equal 1. -Riddles

Description : 0,1,2,3,4,5,6,7,8,9 Use the digits above once each only to compose two fractions which when added togeather equal 1. -Riddles

Last Answer : 35/70 + 148/296 = 1

What is 2 to the third power minus 30 divided by 5 plus 9?

Description : What is 2 to the third power minus 30 divided by 5 plus 9?

Last Answer : 11

What is 2 to the third power minus 30 divided by 5 plus 9?

Description : What is 2 to the third power minus 30 divided by 5 plus 9?

Last Answer : 11

Mark the correct option. a) The first loan on PPF accounts can be taken in the third year from the year of opening the account. b) The amount of Loan will be restricted to 25% of the balance at the account end of the second year preceding the year in which the loan is applied for. c) The loan is repayable either in lump sum or in convenient installments of not more than 36. d) All the above

Description : Mark the correct option. a) The first loan on PPF accounts can be taken in the third year from the year of opening the account. b) The amount of Loan will be restricted to 25% of the balance at ... is repayable either in lump sum or in convenient installments of not more than 36. d) All the above

Last Answer : d) All the above

The units digit of the square of a number and the units digits of the cube of the number are equal to the units digits of the number .How many values

Description : The units digit of the square of a number and the units digits of the cube of the number are equal to the units digits of the number .How many values

Last Answer : The units digit of the square of a number and the units digits of the cube of the number are equal to the units ... such number? A. 2 B. 3 C. 4 D. 5

The units digit of the square of a number and the units digits of the cube of the number are equal to the units digits of the number .How many values

Description : The units digit of the square of a number and the units digits of the cube of the number are equal to the units digits of the number .How many values

Last Answer : The units digit of the square of a number and the units digits of the cube of the number are equal to the units ... such number? A. 2 B. 4 C. 5 D. 3

What number is a 3 digit square number with the product of its digits equal to 2?

Description : What number is a 3 digit square number with the product of its digits equal to 2?

Last Answer : 121

Find four numbers, the sum of which is 45, so that if 2 is added to the first number, 2 is subtracted from the second number, the third number is multiplied by 2 and the fourth number is divided by 2, then the four numbers so produced are all the same. What are the four numbers? -Riddles

Description : Find four numbers, the sum of which is 45, so that if 2 is added to the first number, 2 is subtracted from the second number, the third number is multiplied by 2 and the fourth number is divided by 2, then the four numbers so produced are all the same. What are the four numbers? -Riddles

Last Answer : 8 + 2 = 10 12 - 2 = 10 5 x 2 = 10 20 ÷ 2 = 10 45

What is 2x plus 3y equals 17 and 3x minus 2y equals 0.5?

Description : What is 2x plus 3y equals 17 and 3x minus 2y equals 0.5?

Last Answer : It is a simultaneous equation and when solved its solutions arex = 71/26 and y = 50/13

The largest 5-digit number minus the smallest 4-digit number is equal to?

Description : The largest 5-digit number minus the smallest 4-digit number is equal to?

Last Answer : 1

The largest 5-digit number minus the smallest 4-digit number is equal to?

Description : The largest 5-digit number minus the smallest 4-digit number is equal to?

Last Answer : 1

How many 3-digit numbers are there in which the product of those 3 digits is 9?

Description : How many 3-digit numbers are there in which the product of those 3 digits is 9?

Last Answer : 119, 191, 911, 331, 313, 133

When the celebrated German mathematician Karl Friedrich Gauss (1777-1855) was nine he was asked to add all the integers from 1 through 100. He quickly added 1 to 100, 2 to 99, and so on for 50 pairs of numbers each adding to 101. 50 X 101=5,050.Now find the sum of all the digits in integers from 1 through 1,000,000,000.That's all the digits in all the numbers, not all the numbers themselves. -Riddles

Description : When the celebrated German mathematician Karl Friedrich Gauss (1777-1855) was nine he was asked to add all the integers from 1 through 100. He quickly added 1 to 100, 2 to 99, and so on for 50 pairs ... 1,000,000,000.That's all the digits in all the numbers, not all the numbers themselves. -Riddles

Last Answer : The numbers can be grouped by pairs: 999,999,999 and 0; 999,999,998 and 1' 999,999,997 and 2; and so on.... There are half a billion pairs, and the sum of the digits in each pair is 81. The digits in the unpaired number, 1,000,000,000, add to 1. Then: (500,000,000 X 81) + 1= 40,500,000,001.

Personal Income' equals - (1) The household sector's in-come (2) Private income minus savings of the corporate sector minus corporation tax (3) Personal disposable income plus miscellaneous receipts of the Goverment (4) All of the above

Description : Personal Income' equals - (1) The household sector's in-come (2) Private income minus savings of the corporate sector minus corporation tax (3) Personal disposable income plus miscellaneous receipts of the Goverment (4) All of the above

Last Answer : (3) Personal disposable income plus miscellaneous receipts of the Goverment Explanation: Disposable income is total personal income minus personal current taxes (or plus receipts of the government). ... category of personal (or, private) consumption expenditure) yields personal (or, private) savings

Buoyant unit weight equals the saturated density (A) Multiplied by unit weight of water (B) Divided by unit weight of water (C) Plus unit weight of water (D) Minus unit weight of water

Description : Buoyant unit weight equals the saturated density (A) Multiplied by unit weight of water (B) Divided by unit weight of water (C) Plus unit weight of water (D) Minus unit weight of water

Last Answer : Answer: Option D

‘Personal Income’ equals (1) The household sector’s income (2) Private income minus savings of the corporate sector minus corporation tax (3) Personal disposable income plus miscellaneous receipts of the Goverment (4) All of the above

Description : ‘Personal Income’ equals (1) The household sector’s income (2) Private income minus savings of the corporate sector minus corporation tax (3) Personal disposable income plus miscellaneous receipts of the Goverment (4) All of the above

Last Answer : Personal disposable income plus miscellaneous receipts of the Goverment

, B, C and D are four digits. Average of A and B are equal to average of C and D. Average of B and D is greater than average of A and B whereas average of A and D is less than average of A and B.Which digit has maximum value?

Description : , B, C and D are four digits. Average of A and B are equal to average of C and D. Average of B and D is greater than average of A and B whereas average of A and D is less than average of A and B.Which digit has maximum value?

Last Answer : D has the maximum value

If eleven plus two equals one, what does nine plus five equal? -Riddles

Description : If eleven plus two equals one, what does nine plus five equal? -Riddles

Last Answer : 11 o'clock plus 2 hours = 1 o'clock 9 o'clock plus 5 hours = 2 o'clock

A rich man in Arabia died, leaving a note for his three sons. It reads: 'I have 17 camels. The big brother can get a half of all, the middle can get third of all, and the youngest can get a ninth of all.' The brothers are left dumbfounded, since 17 cannot be divided by 2, 3 or 9 without anything left. How can the brothers solve the problem? -Riddles

Description : A rich man in Arabia died, leaving a note for his three sons. It reads: 'I have 17 camels. The big brother can get a half of all, the middle can get third of all, and the youngest can get a ... 17 cannot be divided by 2, 3 or 9 without anything left. How can the brothers solve the problem? -Riddles

Last Answer : 1. Borrow a camel from their neighbour to make 18 camels. 2. The big brother takes a half of it, so he takes 9. 3. The second brother takes a third of it, so he takes 6. 4. The youngest ... so he takes 2. 5. All the camels that the brothers took add up to 17, leaving the camel they borrowed!

10.) A two-digit number is prime. When you reverse the digits, that number is also prime. What could the number be List three possibilities.?

Description : 10.) A two-digit number is prime. When you reverse the digits, that number is also prime. What could the number be List three possibilities.?

Last Answer : Some numbers that you can get when you reverse the digits and they are still prime numbers are: 403 ÷ 13 = 31 2,701 ÷ 37 = 73 1,207 ÷ 17 = 71

10.) A two-digit number is prime. When you reverse the digits, that number is also prime. What could the number be List three possibilities.?

Description : 10.) A two-digit number is prime. When you reverse the digits, that number is also prime. What could the number be List three possibilities.?

Last Answer : Some numbers that you can get when you reverse the digits and they are still prime numbers are: 403 ÷ 13 = 31 2,701 ÷ 37 = 73 1,207 ÷ 17 = 71

What is the greatest six digit odd number using three different digits only?

Description : What is the greatest six digit odd number using three different digits only?

Last Answer : In this type of question, you need to fill out the largest digityou can, one at a time, from left to right. The largest digit youcan use for the leftmost position, is 9, the largest digit ... :999999(if you want AT MOST three different digits), or999987 (if you want EXACTLY three different digits).

How many 7-digit numbers can be formed using the digits 1 2 3 4 and 8?

Description : How many 7-digit numbers can be formed using the digits 1 2 3 4 and 8?

Last Answer : What is the answer ?

Take two numbers, such that the square of the first, plus the square of the second, shall equal 8; while the first, plus the product of the first and second, shall equal 6. What are the two numbers? -Riddles

Description : Take two numbers, such that the square of the first, plus the square of the second, shall equal 8; while the first, plus the product of the first and second, shall equal 6. What are the two numbers? -Riddles

Last Answer : 2 and 2.