Average of 9 numbers 1490. If average of 6 is 1485, average of remaining 3? MCQ with Answer and Explanation

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Average of 9 numbers 1490. If average of 6 is 1485, average of remaining 3?

A. 1500

B. 1498

C. 1505

D. 1495

Answer: Option A

Solution (By JKExamLibrary)

Sum9=13410. Sum6=8910. Remaining=4500. Average=1500.

This question belongs to: Maths Average

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Question #1

The average of first 10 prime numbers is

A. 13

B. 12

C. 12.9

D. 15

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Correct Answer: Option C

Explanation:
Sum=129. Average=12.9.

This question belongs to: Maths Average

Question #2

Average of 10 numbers 1730. If average of 6 is 1725, average of remaining 4?

A. 1737.5

B. 1735

C. 1736

D. 1740

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Correct Answer: Option A

Explanation:
Sum10=17300. Sum6=10350. Remaining=6950. Average=1737.5.

This question belongs to: Maths Average

Question #3

The average of 6, 12, 18, 24, 30 is

A. 20

B. 15

C. 18

D. 22

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Correct Answer: Option C

Explanation:
Sum=90. Average=18.

This question belongs to: Maths Average

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