Average of 40 students is 50. If average of 10 is 60, average of remaining 30? MCQ with Answer and Explanation

Question

Share Report Error

Average of 40 students is 50. If average of 10 is 60, average of remaining 30?

A. 45

B. 48

C. 46.67

D. 47

Answer: Option C

Solution (By JKSSB Mock Tests)

Total=2000. 10=600. Remaining=1400. 1400/30≈46.67.

This question belongs to: Maths Average

Request complete Subject PDF

Discuss this Question (0)

No comments yet. Be the first to start the discussion!

Practice More Average Questions

Question #1

Average of 15 numbers 2460. If average of 9 is 2455, average of remaining 6?

A. 2470

B. 2465

C. 2467.5

D. 2468

View Answer & Solution Discuss

Get Complete Subject PDF for Maths

Correct Answer: Option C

Explanation:
Sum15=36900. Sum9=22095. Remaining=14805. Average=2467.5.

This question belongs to: Maths Average

Question #2

Average of 15,25,35 is

A. 20

B. 30

C. 25

D. 28

View Answer & Solution Discuss

Get Complete Subject PDF for Maths

Correct Answer: Option C

Explanation:
Sum=75. Average=25.

This question belongs to: Maths Average

Question #3

The average of 12,18,24,30 is

A. 22

B. 21

C. 24

D. 20

View Answer & Solution Discuss

Get Complete Subject PDF for Maths

Correct Answer: Option B

Explanation:
Sum=84. Average=21.

This question belongs to: Maths Average

Explore All Average MCQs