Average of 20,30,40,50,60 is MCQ with Answer and Explanation

Average of 20,30,40,50,60 is

A. 40

B. 38

C. 42

D. 45

Answer: Option A

Sum=200. Average=40.

This question belongs to: Maths Average

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Question #1 Report Error

Average of 10 numbers 2730. If average of 6 is 2725, average of remaining 4?

A. 2735

B. 2736

C. 2740

D. 2737.5

Correct Answer: Option D

Explanation:
Sum10=27300. Sum6=16350. Remaining=10950. Average=2737.5.

This question belongs to: Maths Average

Question #2 Report Error

Average of 885,1180,1475 is

A. 1190

B. 1180

C. 1175

D. 1170

Correct Answer: Option B

Explanation:
3540/3=1180.

This question belongs to: Maths Average

Question #3 Report Error

Average of 12 numbers 75. If average of 7 is 70, average of remaining 5?

A. 80

B. 82

C. 85

D. 78

Correct Answer: Option B

Explanation:
Sum12=900. Sum7=490. Remaining=410. Average=82.

This question belongs to: Maths Average