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
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
Description : 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
Last Answer : This one is fairly easy - 324 is the answer.
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.
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
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.
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
Description : I forgot the last digit of a 7-digit telephone number. If I randomly dial the final 3 digits after correctly dialing the first four, then what is the chance of dialing the correct number? a) 1/1001 b) 1/1000 c) 1/999 d) 1/990
Last Answer : b) 1/1000
Description : What number is a 3 digit square number with the product of its digits equal to 2?
Last Answer : 121
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.
Description : What two-digit number equals two times the result of multiplying its digits? -Riddles
Last Answer : 36 = 2 x 3 x 6.
Description : What two whole, positive numbers that have a one-digit answer when multiplied and a two-digit answer when added? -Riddles
Last Answer : 1 and 9.
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.
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
Description : Take eight small sticks, four of which are half the length of the other four. Make three equal squares out of the sticks. -Riddles
Last Answer : Use the longer four sticks to be sharing sides between the squares and at the end their should be three intertwined squares.
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
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.
Description : A four digit number is formed by the digits 1, 2, 3, 4 with no repetition. The probability that the number is odd is -Maths 9th
Last Answer : (a) \(rac{1}{2}\) Let S be the sample spaceThen n(S) = Number of four digit numbers that can be formed with out repetition1 of 4 digits1 of 3 digits1 of 2 digits1 of 1 digitThHTO= 4! = 4 3 2 1 ways = 24 ways. Let E : ... 1 = 12∴ P(E) = \(rac{n(E)}{n(S)}\) = \(rac{12}{24}\) = \(rac{1}{2}\).
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
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
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
Description : For a major bridge, the URN would comprise of a) single digit b)eight digits* c) six digits d) four digits
Last Answer : b)eight digits*
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
Description : In the same way you can make four fives in an equation to equal 100, (5+5)X(5+5)=100, can you make an equation with only four sevens and no other digits to make 100? -Riddles
Last Answer : (7/.7)X(7/.7)=100 As 7/.7 = 10 The equation becames equivalent to 10X10
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.
Description : There are two numbers whose product added to the sum of their squares is 109, and the difference of whose squares is 24. What are the two numbers? -Riddles
Last Answer : 5 and 7. (5)² = 25 (7)² = 49 (5x7)+25+49=109 49-25=24
Description : A man has nine children, born at regular intervals. The sum of their squares of their ages is equal to the square of his own age.What are the ages of the children? -Riddles
Last Answer : 2 - 5 - 8 - 11 - 14 - 17 - 20 - 23 - 26
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
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}}.
Description : Number of digits in the cube of a two digit number may be ____________
Last Answer : Number of digits in the cube of a two digit number may be ____________
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.
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
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.
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
Description : If the digits of a two digit number are interchanged, the number formed is greater than the original number by 45. If the difference between the digits is 5.What is the original number? a) 18 b) 25 c) 36 d) Cannot be determined e) None of these
Last Answer : According to question both statements gives some equation which have two variable and it is not possible to find out two variable by single eg. Answer: d)
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)
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
Description : The digits of a two-digit number are in the ratio of 2 : 3 and the number obtained by interchanging the digits is bigger than the original number by 27.What is the original number? 1. 63 2. 48 3. 96 4. 69 5. 66
Last Answer : Answer- 4 (69) Explanation:- lets digit at tens and ones place be 2x and 3x So,number is 2x*10 + 3x After interchanging number will be 3x*10 +2x so, [3x*10 +2x] – [2x*10 + 3x]27 we get,x=3 so number =69
Description : A five digit number is formed by the digits 0, 1, 2, 3, 4 (without repetition). Find the probability that the number formed is divisible by 4 ? -Maths 9th
Last Answer : Without repetition, a five -digit number can be formed using the five digits in 5! ways (5 4 3 2 1) Out of these 5! numbers, 4! numbers will be starting with digit 0. (0 (fixed) 4 3 2 1) ∴ Total ... + 6 + 6 + 4 + 4 + 4 = 30∴ Required probability = \(rac{30}{96}\) = \(rac{5}{16}.\)
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).
Description : What is the largest 3-digit odd number that can be formed using the digits 215 and 6?
Last Answer : 651
Description : What is a number that has 2 digits less than 10 the tenths digit is one more than the ones digit nad the digits add up to 7?
Last Answer : 44
Description : The average of the 3 digit number, which remain the same when the digits interchange their positions is. A) 444 B) 555 C) 666 D) 777
Last Answer : B) Average = (111+222+333+444+555+666+ 777+888+999)/9 =(111+999)+(222+888)+ (333+777)+(444+666)+ 555/9 =(4*1110)+555/9 =4440 + 555/9 =4995/9 =555.
Description : My first is a negative greatly in use, By which people begin when they mean to refuse; My second is Fashion, or so called in France, But, like other whims, is the servant of chance. An article always ... it see which goes by, Although many have four sights, and all have one eye.What am I? -Riddles
Last Answer : But-ton.
Description : I am a four-digit number and when converted to a Roman numeral I become a common 3 letter word meaning 'Blend.' What number am I? -Riddles
Last Answer : 1009 means MIX IX=9 M=1000.
Description : (A) Use two digits to make the smallest possible positve intiger.(B) Five 3s can express 37: 37=33+3+3/3Find another way to do it.(C) Use six identical dgits to make 100. (Several solutions are possible.)(D) Use five 4s to make 55.(E) Use four 9s to make 20. -Riddles
Last Answer : (A) 1 X 1; 1/1;2/2;ect....;1-0;2-1;and many others. (B) 37=333/3X3; 37=3 X 3 X 3 + 3/.3 (C) 99 + 99/99; 55+55- 5- 5; (666-66)/6 (D) 44 + 44/4=55. (E) 9 + 99/9=20.
Description : I have four digits, I own a lot of cash money money, I'm kept a secret, but used on the daily. What am I? -Riddles
Last Answer : Pin number.
Description : In the multiplication below each letter represents a different digit and only the digits 1 2 3 4 5 are used. Which of the letters represents 2?
Last Answer : E