Average of 8 numbers 32. If average of 3 is 28, average of remaining 5? MCQ with Answer and Explanation

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Average of 8 numbers 32. If average of 3 is 28, average of remaining 5?

A. 34.4

B. 35

C. 36

D. 33

Answer: Option A

Solution (By JKSSB Mock Tests)

Sum8=256. Sum3=84. Remaining=172. Average=34.4.

This question belongs to: Maths Average

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Practice More Average Questions

Question #1

Find the average of the first 7 multiples of 4.

A. 15

B. 17

C. 14.5

D. 16

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Correct Answer: Option D

Explanation:
Multiples:4,8,12,16,20,24,28 sum=112, count=7, avg=16.

This question belongs to: Maths Average

Question #2

The average weight of 8 students is 42 kg. If a new student joins, the average becomes 44 kg. What is the weight of the new student?

A. 58 kg

B. 56 kg

C. 62 kg

D. 60 kg

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Correct Answer: Option D

Explanation:
Sum of 8 =8×42=336. Sum of 9 =9×44=396. New student's weight =396-336=60.

This question belongs to: Maths Average

Question #3

Find average of all even numbers from 1 to 50.

A. 24

B. 25

C. 27

D. 26

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Correct Answer: Option D

Explanation:
Even numbers: 2 to 50, 25 numbers. Average = (2+50)/2 = 26.

This question belongs to: Maths Average

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