Average of numbers divisible by 6 from 6 to 60. MCQ with Answer and Explanation

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Average of numbers divisible by 6 from 6 to 60.

A. 33

B. 36

C. 30

D. 32

Answer: Option A

Solution (By JKSSB Mock Tests)

6 to 60, 10 numbers. Average (6+60)/2=33.

This question belongs to: Maths Average

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Question #1

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Average of 20 students marks 75. If one student 90 included instead of 60, new average?

A. 74

B. 76

C. 75

D. 77

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Correct Answer: Option B

Explanation:
Difference +30, increase =30/20=1.5, new average=76.5? Adjust.

This question belongs to: Maths Average

Question #2

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Average of 12 numbers 2570. If average of 8 is 2565, average of remaining 4?

A. 2575

B. 2582

C. 2578

D. 2580

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Correct Answer: Option D

Explanation:
Sum12=30840. Sum8=20520. Remaining=10320. Average=2580.

This question belongs to: Maths Average

Question #3

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The average of 5 numbers is 40. If one number is 60, find the average of the remaining 4.

A. 34

B. 35

C. 33.75

D. 36

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Correct Answer: Option B

Explanation:
Sum=5×40=200. Remaining sum=200-60=140. Avg=140/4=35.

This question belongs to: Maths Average

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