The average of 18,36,54 is MCQ with Answer and Explanation

The average of 18,36,54 is

A. 40

B. 30

C. 32

D. 36

Answer: Option D

108/3=36.

This question belongs to: Maths Average

No comments yet. Be the first to start the discussion!

Question #1 Report Error

If average of 8 and 12 is 10, average of 12 and 18 is 15, average of 8,12,18 is

A. 12

B. 12.67

C. 14

D. 13

Correct Answer: Option B

Explanation:
Sum=38. Average=38/3≈12.67.

This question belongs to: Maths Average

Question #2 Report Error

Average of 1065,1420,1775 is

A. 1415

B. 1420

C. 1410

D. 1430

Correct Answer: Option B

Explanation:
4260/3=1420.

This question belongs to: Maths Average

Question #3 Report Error

Average marks of boys 60, girls 70, total average 65. Ratio boys:girls?

A. 2:1

B. 1:2

C. 3:1

D. 1:1

Correct Answer: Option D

Explanation:
Let b,g. 60b +70g =65(b+g). 5g=5b. b=g.

This question belongs to: Maths Average