The average of 660,880,1100 is MCQ with Answer and Explanation

The average of 660,880,1100 is

A. 880

B. 875

C. 870

D. 890

Answer: Option A

2640/3=880.

This question belongs to: Maths Average

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Question #1 Report Error

The average marks of 15 students is 80. If a student with 95 marks leaves, what is the new average?

A. 79.5

B. 78.5

C. 79

D. 78.93

Correct Answer: Option D

Explanation:
Sum=15×80=1200. New sum=1200-95=1105. New avg=1105/14=78.93.

This question belongs to: Maths Average

Question #2 Report Error

The average of 7 numbers is 30. If each number is divided by 2, what is the new average?

A. 13

B. 15

C. 16

D. 14

Correct Answer: Option B

Explanation:
New average =30/2=15.

This question belongs to: Maths Average

Question #3 Report Error

The average of 8,16,24,32 is

A. 18

B. 20

C. 22

D. 24

Correct Answer: Option B

Explanation:
Sum=80. Average=20.

This question belongs to: Maths Average