The average of 240,320,400 is MCQ with Answer and Explanation

The average of 240,320,400 is

A. 320

B. 310

C. 315

D. 330

Answer: Option A

960/3=320.

This question belongs to: Maths Average

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Question #1 Report Error

Average of 15 numbers 2360. If average of 9 is 2355, average of remaining 6?

A. 2365

B. 2370

C. 2368

D. 2367.5

Correct Answer: Option D

Explanation:
Sum15=35400. Sum9=21195. Remaining=14205. Average=2367.5.

This question belongs to: Maths Average

Question #2 Report Error

The average age of 10 friends is 25. If one 30 years old joins, new average?

A. 25.45

B. 25.5

C. 26

D. 24.5

Correct Answer: Option A

Explanation:
Total=250. New=280/11≈25.45.

This question belongs to: Maths Average

Question #3 Report Error

Average of 45,60,75,90 is

A. 65

B. 67.5

C. 68

D. 70

Correct Answer: Option B

Explanation:
270/4=67.5.

This question belongs to: Maths Average