The mean of five numbers is 18, If one number is excluded, then their mean is 16, the excluded number is...? Mcqs

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The mean of five numbers is 18, If one number is excluded, then their mean is 16, the excluded number is...?

(A) 24
(B) 26

(C) 28
(D) None of these

Latest MCQs

The difference between three times a number and four more than two times the number can be represented by the expression 3x – 2x+ 4. where x is the number...?

(A) 4
(B) 5

(C) 6
(D) 7

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Two numbers are respectively 20% and 50% more than a third, what percentage is the first to the second?...?

(A) 80%
(B) 70%

(C) 65%
(D) 40%

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3 boxes have some average weight. When one box which weights 89 kg is replaced by another box, the average weight increases by 5 kg. How much the new box weighs...?

(A) 109 kg
(B) 94 kg

(C) 104 kg
(D) 84 kg

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Solve the equation -8/20-+9/2-1/2=...?

(A) 7/20
(B) -27/5

(C) -3/20
(D) -23/9

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The Founder of Algebra was...?

(A) Al Khwarizmi
(B) Umar Khayyam

(C) Lao Tze
(D) Abu Yousaf

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A man can do a piece of work in 5 days, but with the help of his son he can do it in 3 days. In what time can the son do it alone...?

(A) 7.5 days
(B) 6.5 days

(C) 5.5 days
(D) 4.5 days

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Julie has a square fence that enclosed her garden. She decided to expand her garden by making each side of the fence 10 percent longer. After this expansion, the area of Julie’s garden will have increased by what percent...?

(A) 20
(B) 21

(C) 23
(D) 25

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A certain number of two digits is three times the sum of its digits and if 45 be added to it, the digits are reversed the number is...?

(A) 24
(B) 26

(C) 27
(D) None of these

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A certain number of two digits is three times the sum of its digits, and if 45 be added to it, its digits are reversed. Find the number.

(A) 27
(B) 39

(C) 45
(D) None of these

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