Average of 9 numbers 440. If average of 6 is 435, average of remaining 3? MCQ with Answer and Explanation

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Average of 9 numbers 440. If average of 6 is 435, average of remaining 3?

A. 455

B. 450

C. 448

D. 445

Answer: Option B

Solution (By JKSSB Mock Tests)

Sum9=3960. Sum6=2610. Remaining=1350. Average=450.

This question belongs to: Maths Average

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Question #1

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A library has average 120 books per shelf for 10 shelves. If one shelf has 150, what is average of remaining?

A. 115

B. 118

C. 120

D. 116.67

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Correct Answer: Option D

Explanation:
Total=1200. Remaining=1050 for 9. 1050/9≈116.67.

This question belongs to: Maths Average

Question #2

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Average of 9 numbers 890. If average of 6 is 885, average of remaining 3?

A. 895

B. 900

C. 898

D. 905

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Correct Answer: Option B

Explanation:
Sum9=8010. Sum6=5310. Remaining=2700. Average=900.

This question belongs to: Maths Average

Question #3

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The average of 10 numbers is 19. If each number is increased by 6, what is the new average?

A. 19

B. 13

C. 25

D. 31

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Correct Answer: Option C

Explanation:
New average =19+6=25.

This question belongs to: Maths Average

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