This is the sum the numbers in a set, divided by the number of items in the set.?

This is the sum the numbers in a set, divided by the number of items in the set.?
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The mean value.
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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

There are two sets of five numbers each – set P and set Q. P is a set of consecutive even numbers and Q is a set of consecutive numbers. The sum of the numbers of P is 230. The second least number in Q is 33 less than twice the least number in P. Find the sum of the numbers in Q. 1 : 260 2 : 250 3 : 240 4 : 270 5 : None of these

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Last Answer : 1 : 260

In measurements, the sum of a set of number divided by the total number of pieces of data in the given set is called ______

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The sum of 2 numbers is 216, and their HCF is 27. How many such pairs of numbers exist? (A pair a unique set of 2 numbers, so (a, b) and (b, a) will be considered as 1 pair). a) 0 b) 1 c) 2 d) 3 e) 4

Description : The sum of 2 numbers is 216, and their HCF is 27. How many such pairs of numbers exist? (A pair a unique set of 2 numbers, so (a, b) and (b, a) will be considered as 1 pair). a) 0 b) 1 c) 2 d) 3 e) 4

Last Answer : Let the numbers be a,b A = 27m, b = 27n where m, n are co-prime 27(m + n) = 216, or m+n = 8 M = 1, n = 7 and m = 3, n = 5 are the only 2 co – prime pairs possible. So we have 2 pairs: (27 , 189) and ( 81, 135) Answer: c)

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Sum of deviation of items from the A.M. is

Description : Sum of deviation of items from the A.M. is

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A number say z is exactly the four times the sum of its digits and twice the product of the digits. Find the numbers -Maths 10th

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when adding mixed numbers,is it always necessary to write the sum as a mixed number Explain?

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Description : How do you express the sum of each pair of numbers as a product of the greatest common factor of the numbers and another number?

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Description : What are two cubic numbers whose sum is a square number?

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Is The sum of two complex numbers is sometimes a real number.?

Description : Is The sum of two complex numbers is sometimes a real number.?

Last Answer : Sure, if the imaginary part is opposite. For example:(3 + 2i) +(5 - 2i) = 8

What is The sum of two numbers is twenty one half the first number plus one fourth the second number is 9 find the two numbers?

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What number is a multiple of 6 and 12 and has the sum of 9 numbers?

Description : What number is a multiple of 6 and 12 and has the sum of 9 numbers?

Last Answer : All multiples of 12 are also multiples of 6 and they all can bewritten as the sum of nine numbers.

if the sum of two numbers is 5, and 1/6 of one of the numbers is equal to 25% of the other number, what are the numbers?

Description : if the sum of two numbers is 5, and 1/6 of one of the numbers is equal to 25% of the other number, what are the numbers?

Last Answer : Since the sum of the two numbers equals 5, we can write one number as n and the other as 5-n. Now, let's write our equation. First, let's convert 25% into a fraction--that would be 1/4. So our ... 6x to both sides to get: 10x=30 Finally, our last step is to divide both sides by 10. Now we kn

The sum of two numbers is 14. The larger number minus three times the lesser number is -2. What is the lesser number?

Description : The sum of two numbers is 14. The larger number minus three times the lesser number is -2. What is the lesser number?

Last Answer : 16

The sum of the mass numbers of the atoms in a molecule equals the ______, which is measured in units called _______. a. Atomic Number; Milligrams b. Mass Weight; Micrograms c. Chemical Weight; Moles d. Molecular Weight; Daltons

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Last Answer : d. Molecular Weight; Daltons

The LCM of two numbers is 45 times their HCF. If one of the numbers is 125 and the sum of HCF and LCM is 1150, then the other number is? a) 100 b) 125 c) 250 d) 225 e) 180

Description : The LCM of two numbers is 45 times their HCF. If one of the numbers is 125 and the sum of HCF and LCM is 1150, then the other number is? a) 100 b) 125 c) 250 d) 225 e) 180

Last Answer : LCM = 45× HCF LCM + HCF = 46× HCF = 1150 HCF = 25, LCM =1125. product of 2 numbers = LCM×HCF required number = (25× 1125) / 125 = 225. Answer: d)

A two digit number exceeds forty percent of another two digit number by 16. If the sum of these two digit numbers is 72, which of the following is the difference between these two digit numbers ? a) 10 b) 6 c) 8 d) 14 e) None of these

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Last Answer : c) 8 Let first two digit no. and second two digit no. be x and y respectively. x = y × 40/100 +16 x - 2y/5 = 16....(i) x + y = 72...(ii) From equation (i) and (ii) x = 32, y = 40 Difference = 8 Answer: c)

The L.C.M. of two numbers is 48. The numbers are in the ratio 2 : 3. Then sum of the number is: A.30 B.22 C.40 D.60 E.None of these

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Last Answer : Answer – C (40) Explanation – Let the numbers be 2x and 3x. Then, their L.C.M. = 6x. So, 6x = 48 or x = 8. The numbers are 16 and 24. Hence, required sum = (16 + 24) = 40.

The L.C.M of two numbers is 14 times their H.C.F . The sum of the L.C.M. and the H.C.F . is 600. If one number is 280 , then the other number is (a) 40 (b) 60 (c) 80 (d) 100

Description : The L.C.M of two numbers is 14 times their H.C.F . The sum of the L.C.M. and the H.C.F . is 600. If one number is 280 , then the other number is (a) 40 (b) 60 (c) 80 (d) 100

Last Answer : 80

The sum of two numbers is 528 and their H.C.F is 33. What is the number of pairs of such numbers ? (a) 4 (b) 12 (c) 8 (d) 6

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Last Answer : Ans 5. 4 Hint : Let the number be 33x and 33y where x and y are co-prime.

The sum of the squares between three numbers is 5000. The ratio between the first and the second number is 3:4 and that of second and third number is 4:5. Find the difference between first and the third number. A) 20 B) 30 C) 40 D) 50 E) None of these

Description : The sum of the squares between three numbers is 5000. The ratio between the first and the second number is 3:4 and that of second and third number is 4:5. Find the difference between first and the third number. A) 20 B) 30 C) 40 D) 50 E) None of these

Last Answer : Answer: A a^2 + b^2 + c^2 = 5000 a:b:c = 3:4:5 50x^2 = 5000. X = 10. 5x – 3x = 2*10 = 20

The sum of three numbers is 210. If the ratio between the first and second number be 2:3 and that between the second and third be 4:5, then the difference between the first and third number? a) 21 b) 35 c) 42 d) 56 e) None of these

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Last Answer : Answer: C a: b = 2:3 and b:c = 4:5 a:b:c = 8:12:15 Difference between first and third number = (7/35)*210 = 42

Which kind of CAPTCHA is better, letters and numbers or pictures of items?

Description : Which kind of CAPTCHA is better, letters and numbers or pictures of items?

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What numbers of items cannot be listed sequentially in 4 columns (see details)?

Description : What numbers of items cannot be listed sequentially in 4 columns (see details)?

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Description : Do authors & musicians receive royalties and/or additional sales numbers when used items are sold?

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Which of the following tag is used to make a list that lists the items with numbers? -Technology

Description : Which of the following tag is used to make a list that lists the items with numbers? -Technology

Last Answer : (c) is the ordered list that starts with a number like 1, A, a, i and I etc.

When you add a number that has a remainder of 1 when it is divided by 3 to a number that has a remainder of 2 when it is divided by 3 then what is the remainder of the sum when you divide it by 3?

Description : When you add a number that has a remainder of 1 when it is divided by 3 to a number that has a remainder of 2 when it is divided by 3 then what is the remainder of the sum when you divide it by 3?

Last Answer : The remainder is 0.If A has a remainder of 1 when divided by 3, then A = 3m + 1 for some integer mIf B has a remainder of 2 when divided by 3, then B = 3n + 1 for some integer n→ A + B = ... remainder Rb; then(A + B) divided by C will have remainder equal to the remainder of (Ra + Rb) divided by C

How you take a number that is divided by 3 and gives you a remainder of 1.Then you add that number that you have divide by 3 that gives you a remainder of 2. the remainder of the sum when you divide?

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What is the average the sum of elements divided by the number of elements called?

Description : What is the average the sum of elements divided by the number of elements called?

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The total power consumed in a parallel circuit is __________. A. the sum of the powers used in each load (resistor) divided by the number of loads B. always less than the power used in the smallest load C. the sum of the powers used in each individual load D. never more than the power used in the largest load

Description : The total power consumed in a parallel circuit is __________. A. the sum of the powers used in each load (resistor) divided by the number of loads B. always less than the power used in the smallest ... of the powers used in each individual load D. never more than the power used in the largest load

Last Answer : Answer: C

The total resistance of a parallel circuit is always ____________. A. larger than that of the branch with the greatest resistance B. smaller than that of the branch with the lowest resistance C. equal to the sum of the individual branch resistances D. equal to the sum of the individual branch resistances divided by the number of branches

Description : The total resistance of a parallel circuit is always ____________. A. larger than that of the branch with the greatest resistance B. smaller than that of the branch with the lowest resistance C ... resistances D. equal to the sum of the individual branch resistances divided by the number of branches

Last Answer : Answer: B

The total power used up in a series circuit is ___________. A. the sum of the powers used in each load (resistor) divided by the number of loads B. the sum of the powers used in each load C. always less than the power used in the smallest load D. never more than the power used in largest load

Description : The total power used up in a series circuit is ___________. A. the sum of the powers used in each load (resistor) divided by the number of loads B. the sum of the powers used in each load C. always less than the power used in the smallest load D. never more than the power used in largest load

Last Answer : Answer: B

The total voltage of a series circuit is the _____________. A. sum of the individual voltage drops B. total resistance divided by the total current C. sum of the individual currents multiplied by the number of resistors D. total current divided by the total resistance

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Last Answer : Answer: A

The least count of a Vernier scale is (A) Sum of the smallest divisions of main and Vernier scales (B) Value of one division of the primary scale divided by total number of divisions of Vernier scale (C) Value of one division of Vernier scale divided by total number of divisions of primary scale (D) None of these

Description : The least count of a Vernier scale is  (A) Sum of the smallest divisions of main and Vernier scales  (B) Value of one division of the primary scale divided by total number of divisions ... division of Vernier scale divided by total number of divisions of primary scale  (D) None of these 

Last Answer : (B) Value of one division of the primary scale divided by total number of divisions of Vernier  scale 

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

Two dice are rolling simultaneously .What is the probability that the sum of the number on the two faces is divided by 5 Or 7. A) 13/36 B) 14/36 C) 11/36 D) 9/36

Description : Two dice are rolling simultaneously .What is the probability that the sum of the number on the two faces is divided by 5 Or 7. A) 13/36 B) 14/36 C) 11/36 D) 9/36 

Last Answer :  Answer: C) Clearly, n(S) = 6 x 6 = 36 Let E be the event that the sum of the numbers on the two faces is divided by 5or 7. Then,E = {(1,4),(1,6),(2,3),(2,5),(3,2),(3,4),(4,1),(4,3),(4,6),(5,2),(5,5),(6,1),(6,4)} n(E) = 11. Hence, P(E) = n(E)/n(S) = 11/36

If somebody choose two digit and three digit numbers and their difference is 989.What will be their sum? a) 1000 b)1010 c) 1006?

Description : If somebody choose two digit and three digit numbers and their difference is 989.What will be their sum? a) 1000 b)1010 c) 1006?

Last Answer : None of the above. Let x be the three digit number and y be the two digit number. x - y =989. x = 989 + y. x is obviously greater than 989 and less than 1000 (since it is three digits). Since y is a two digit number ... 989 + 10 = 999. We can't go any higher, so x =999 and y=10. x+y = 999+10 = 1009

If 4! = 1x2x3x4 and is called 4 factorial, what is the sum of the numbers e.g. 4(?)= (1+2+3+4) called?

Description : If 4! = 1x2x3x4 and is called 4 factorial, what is the sum of the numbers e.g. 4(?)= (1+2+3+4) called?

Last Answer : What’s wrong with the summation notation? It does just that. I don’t think there’s any other way of expressing it other than writing it out. [addition]: After more research, I found a formula where 1+2+3+4….+n= n*(n+1)/2 http://en.wikipedia.org/wiki/Triangular_number

A student was once given a simple task to accomplish. He was given 6 numbers: 1, 10, 20, 30, 40, and 80, and was told to sum them together to be equal to 100. At last, he was able to accomplish this task. How did he do it? -Riddles

Description : A student was once given a simple task to accomplish. He was given 6 numbers: 1, 10, 20, 30, 40, and 80, and was told to sum them together to be equal to 100. At last, he was able to accomplish this task. How did he do it? -Riddles

Last Answer : He read 10 and 80 backwards to give him 01 and 08 respectively. So, 1 + 01 + 20 + 30 + 40 + 08 = 100.

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.

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

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

Show that If m > 1, then the sum of the mth powers of underline (n)even numbers is greater than n (n + 1)^m -Maths 9th

Description : Show that If m > 1, then the sum of the mth powers of underline (n)even numbers is greater than n (n + 1)^m -Maths 9th

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If a1, a2, .... an are positive numbers such that a1.a2.a3 .... an = 1, then their sum is -Maths 9th

Description : If a1, a2, .... an are positive numbers such that a1.a2.a3 .... an = 1, then their sum is -Maths 9th

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The minimum value of the sum of real numbers a^(–5), a^(–4), 3a^(–3), 1, a^8 and a^10 with a > 0 is -Maths 9th

Description : The minimum value of the sum of real numbers a^(–5), a^(–4), 3a^(–3), 1, a^8 and a^10 with a > 0 is -Maths 9th

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Give two prime numbers whose sum is?

Description : Give two prime numbers whose sum is?

Last Answer : 23 and 29

if the sum of two numbers is 17 and the difference is 3 what are the two numbers?

Description : if the sum of two numbers is 17 and the difference is 3 what are the two numbers?

Last Answer : The answer is 7 and 10.7+10=1710-7=3

What is the sum of two numbers is 15 their difference is 1?

Description : What is the sum of two numbers is 15 their difference is 1?

Last Answer : 7 and 8 are the answer. Think “? - ? = 1”. Then thin about your addition table: 0,15 1,14 2,13 3,12… and on until you get to 7,8, because 7+8=15 and 7-8=1.

What is the sum of the prime numbers from 1-100 ?

Description : What is the sum of the prime numbers from 1-100 ?

Last Answer : 2 , 3 , 5 , 6 , 11 , 13 , 18 , 19 , 23 , 29 , 31 , 36 , 41 , 43 , 48 , 53 , 59 , 61 , 7 , 81 , 63 , 69 , 63 , 69 and 96 = sum of 1080.