Average of 855,1140,1425 is MCQ with Answer and Explanation

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Average of 855,1140,1425 is

A. 1130

B. 1140

C. 1150

D. 1135

Answer: Option B

Solution (By JKSSB Mock Tests)

3420/3=1140.

This question belongs to: Maths Average

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Question #1

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Average of 9 numbers 2690. If average of 6 is 2685, average of remaining 3?

A. 2700

B. 2705

C. 2695

D. 2698

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Correct Answer: Option A

Explanation:
Sum9=24210. Sum6=16110. Remaining=8100. Average=2700.

This question belongs to: Maths Average

Question #2

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Find the average of all numbers from 1 to 25 that are divisible by 5.

A. 14.5

B. 15.5

C. 14

D. 15

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Correct Answer: Option D

Explanation:
Numbers: 5,10,15,20,25 sum=75, count=5, avg=15.

This question belongs to: Maths Average

Question #3

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The average of 5 consecutive even numbers is 12. What is the smallest number?

A. 10

B. 12

C. 6

D. 8

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Correct Answer: Option D

Explanation:
In consecutive even numbers, average = middle number. So middle (3rd) =12. Smallest =12-4=8.

This question belongs to: Maths Average

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