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

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The average of 1590,2120,2650 is

A. 2120

B. 2110

C. 2115

D. 2130

Answer: Option A

Solution (By JKSSB Mock Tests)

6360/3=2120.

This question belongs to: Maths Average

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Question #1

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The average of 6 numbers is 23. If two numbers are 18 and 26, find the average of the remaining four.

A. 22.5

B. 23

C. 23.5

D. 24

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Correct Answer: Option C

Explanation:
Sum=6×23=138. Sum of two=18+26=44. Sum of four=94. Avg=94/4=23.5.

This question belongs to: Maths Average

Question #2

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The average of 6 numbers is 25. If 5 is subtracted from each, new average?

A. 30

B. 25

C. 20

D. 22

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Correct Answer: Option C

Explanation:
New average =25 -5 =20.

This question belongs to: Maths Average

Question #3

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Average of 9 numbers 1140. If average of 6 is 1135, average of remaining 3?

A. 1150

B. 1145

C. 1148

D. 1155

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Correct Answer: Option A

Explanation:
Sum9=10260. Sum6=6810. Remaining=3450. Average=1150.

This question belongs to: Maths Average

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