Average of 12,24,36,48,60 is MCQ with Answer and Explanation

Average of 12,24,36,48,60 is

A. 42

B. 36

C. 30

D. 40

Answer: Option B

Sum=180. Average=36.

This question belongs to: Maths Average

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Question #1 Report Error

Average of 70,105,140 is

A. 100

B. 102

C. 105

D. 110

Correct Answer: Option C

Explanation:
315/3=105.

This question belongs to: Maths Average

Question #2 Report Error

Average of 10 numbers 2130. If average of 6 is 2125, average of remaining 4?

A. 2140

B. 2135

C. 2137.5

D. 2136

Correct Answer: Option C

Explanation:
Sum10=21300. Sum6=12750. Remaining=8550. Average=2137.5.

This question belongs to: Maths Average

Question #3 Report Error

If the average of a,b,c,d is 30 and average of a,b is 25, average of c,d is

A. 28

B. 30

C. 35

D. 32

Correct Answer: Option C

Explanation:
a+b+c+d =120. a+b=50. c+d=70. Average c,d =35.

This question belongs to: Maths Average