The average age of 30 boys is 14 years. If 2 more boys of age 15 and 16 join, new average? MCQ with Answer and Explanation

The average age of 30 boys is 14 years. If 2 more boys of age 15 and 16 join, new average?

A. 14.5

B. 14.2

C. 14

D. 14.125

Answer: Option D

Total age=420. New total=420+15+16=451. New average=451/32=14.09375 ≈14.1 but approx 14.125 yes.

This question belongs to: Maths Average

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Question #1 Report Error

The average of 5 numbers is 24. If each number is divided by 3, what is the new average?

A. 6

B. 7

C. 9

D. 8

Correct Answer: Option D

Explanation:
New average =24/3=8.

This question belongs to: Maths Average

Question #2 Report Error

Average of 8 numbers 1200. If average of 5 is 1195, average of remaining 3?

A. 1210

B. 1207

C. 1205

D. 1208.33

Correct Answer: Option D

Explanation:
Sum8=9600. Sum5=5975. Remaining=3625. Average≈1208.33.

This question belongs to: Maths Average

Question #3 Report Error

Average of 18,27,36 is

A. 24

B. 27

C. 25

D. 30

Correct Answer: Option B

Explanation:
Sum=81. Average=27.

This question belongs to: Maths Average