Average of 9 numbers 1340. If average of 6 is 1335, average of remaining 3? MCQ with Answer and Explanation

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Average of 9 numbers 1340. If average of 6 is 1335, average of remaining 3?

A. 1348

B. 1355

C. 1345

D. 1350

Answer: Option D

Solution (By JKSSB Mock Tests)

Sum9=12060. Sum6=8010. Remaining=4050. Average=1350.

This question belongs to: Maths Average

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Question #1

Average of 8 numbers 1950. If average of 5 is 1945, average of remaining 3?

A. 1958.33

B. 1955

C. 1957

D. 1960

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Correct Answer: Option A

Explanation:
Sum8=15600. Sum5=9725. Remaining=5875. Average≈1958.33.

This question belongs to: Maths Average

Question #2

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

A. 35

B. 32

C. 28

D. 30

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Correct Answer: Option A

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

This question belongs to: Maths Average

Question #3

Average of 15 numbers 460. If average of 9 is 455, average of remaining 6?

A. 468

B. 465

C. 470

D. 467.5

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Correct Answer: Option D

Explanation:
Sum15=6900. Sum9=4095. Remaining=2805. Average=467.5.

This question belongs to: Maths Average

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