Average of 60,90,120,150 is MCQ with Answer and Explanation

Average of 60,90,120,150 is

A. 100

B. 95

C. 105

D. 110

Answer: Option C

420/4=105.

This question belongs to: Maths Average

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Question #1 Report Error

Average of 6 numbers is 8.5. If two numbers 12 and 15 are added, what is the new average?

A. 9.5

B. 9.75

C. 9

D. 10

Correct Answer: Option B

Explanation:
Sum of 6=51. New sum=51+12+15=78. Numbers=8. Average=78/8=9.75.

This question belongs to: Maths Average

Question #2 Report Error

Average weight of 40 students 45 kg. If 10 more with average 50 kg join, new average?

A. 46.25

B. 45

C. 46

D. 47

Correct Answer: Option C

Explanation:
Total old=1800. New=500. Total 2300 for 50. Average=46.

This question belongs to: Maths Average

Question #3 Report Error

The average of 588,784 is

A. 686

B. 670

C. 680

D. 690

Correct Answer: Option A

Explanation:
686.

This question belongs to: Maths Average