The average of 1590,2120,2650 is MCQ with Answer and Explanation

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The average of 1590,2120,2650 is

A. 2110

B. 2115

C. 2130

D. 2120

Answer: Option D

Solution (By JKExamLibrary)

6360/3=2120.

This question belongs to: Maths Average

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Question #1

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If average of 8 and 12 is 10, average of 12 and 18 is 15, average of 8,12,18 is

A. 12.67

B. 12

C. 14

D. 13

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Correct Answer: Option A

Explanation:
Sum=38. Average=38/3≈12.67.

This question belongs to: Maths Average

Question #2

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The average of 10 numbers is 35. If each number is increased by 5, what will be the new average?

A. 38

B. 40

C. 42

D. 35

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Correct Answer: Option B

Explanation:
When each number increases by 5, the average also increases by 5. New average = 35+5 = 40.

This question belongs to: Maths Average

Question #3

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Average of 12 numbers 1120. If average of 8 is 1115, average of remaining 4?

A. 1128

B. 1132

C. 1130

D. 1125

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Correct Answer: Option C

Explanation:
Sum12=13440. Sum8=8920. Remaining=4520. Average=1130.

This question belongs to: Maths Average

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