If average of 5 consecutive multiples of 4 is 32, what is the largest? MCQ with Answer and Explanation

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If average of 5 consecutive multiples of 4 is 32, what is the largest?

A. 48

B. 44

C. 40

D. 36

Answer: Option C

Solution (By JKSSB Mock Tests)

Numbers 20,24,28,32,36 avg 28 no. 24,28,32,36,40 avg 32. Largest 40.

This question belongs to: Maths Average

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Question #1

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The average of 8 numbers is 12. If 4 is added to half of them and 4 subtracted from other half, new average?

A. 13

B. 11

C. 14

D. 12

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Correct Answer: Option D

Explanation:
Net change zero. Average remains 12.

This question belongs to: Maths Average

Question #2

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The average of 3 numbers is 20. If the numbers are in the ratio 1:2:3, find the largest.

A. 35

B. 30

C. 25

D. 20

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Correct Answer: Option B

Explanation:
Sum=3×20=60. Ratio sum=6. Largest = (3/6)×60=30.

This question belongs to: Maths Average

Question #3

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The average age of 8 students is 15 years. If the teacher's age is included, the average becomes 18 years. What is the teacher's age?

A. 45

B. 42

C. 39

D. 40

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Correct Answer: Option B

Explanation:
Total age of students = 8×15 = 120. Total age including teacher = 9×18 = 162. Teacher's age = 162−120 = 42.

This question belongs to: Maths Average

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