What is the average of the first 6 multiples of 2? MCQ with Answer and Explanation

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What is the average of the first 6 multiples of 2?

A. 9

B. 7

C. 6

D. 8

Answer: Option B

Solution (By JKSSB Mock Tests)

Multiples:2,4,6,8,10,12 sum=42, count=6, avg=7.

This question belongs to: Maths Average

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Question #1

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Average of 8 numbers 600. If average of 5 is 595, average of remaining 3?

A. 607

B. 605

C. 610

D. 608.33

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Correct Answer: Option D

Explanation:
Sum8=4800. Sum5=2975. Remaining=1825. Average≈608.33.

This question belongs to: Maths Average

Question #2

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The average of 3 numbers is 20. If the numbers are in the ratio 1:2:3, find the largest.

A. 35

B. 25

C. 20

D. 30

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Correct Answer: Option D

Explanation:
Sum=3×20=60. Ratio sum=6. Largest = (3/6)×60=30.

This question belongs to: Maths Average

Question #3

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Average of 12 numbers 38. If average of 9 is 35, average of remaining 3?

A. 50

B. 47

C. 45

D. 48

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Correct Answer: Option B

Explanation:
Sum12=456. Sum9=315. Remaining=141. Average=47.

This question belongs to: Maths Average

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