Average of 9 numbers 1940. If average of 6 is 1935, average of remaining 3? MCQ with Answer and Explanation

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Average of 9 numbers 1940. If average of 6 is 1935, average of remaining 3?

A. 1950

B. 1948

C. 1955

D. 1945

Answer: Option A

Solution (By JKSSB Mock Tests)

Sum9=17460. Sum6=11610. Remaining=5850. Average=1950.

This question belongs to: Maths Average

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Question #1

Average of 10 numbers 28. If average of 6 is 25, average of remaining 4?

A. 33

B. 30

C. 35

D. 32.5

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Correct Answer: Option D

Explanation:
Sum10=280. Sum6=150. Remaining=130. Average=32.5.

This question belongs to: Maths Average

Question #2

The average of 4 numbers is 14. If each number is divided by 2, what is the new average?

A. 6

B. 9

C. 8

D. 7

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Correct Answer: Option D

Explanation:
New average =14/2=7.

This question belongs to: Maths Average

Question #3

If average of 8 and 12 is 10 and average of 12 and x is 15, x is

A. 18

B. 15

C. 16

D. 20

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Correct Answer: Option A

Explanation:
12 + x =30. x=18.

This question belongs to: Maths Average

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