Average of 21,35,49 is MCQ with Answer and Explanation

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Average of 21,35,49 is

A. 32

B. 30

C. 35

D. 40

Answer: Option C

Solution (By JKSSB Mock Tests)

Sum=105. Average=35.

This question belongs to: Maths Average

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Practice More Average Questions

Question #1

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Find the average of the first 7 multiples of 4.

A. 14.5

B. 17

C. 15

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

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Average height of 30 boys 160 cm. If 5 more with average 170 cm, new average?

A. 161.43

B. 163

C. 160

D. 162

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Correct Answer: Option A

Explanation:
Total old=4800. New=850. Total 5650 /35≈161.43.

This question belongs to: Maths Average

Question #3

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Average of 9 numbers 540. If average of 6 is 535, average of remaining 3?

A. 555

B. 545

C. 548

D. 550

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Correct Answer: Option D

Explanation:
Sum9=4860. Sum6=3210. Remaining=1650. Average=550.

This question belongs to: Maths Average

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