Average of 12 numbers 1420. If average of 8 is 1415, average of remaining 4? MCQ with Answer and Explanation

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Average of 12 numbers 1420. If average of 8 is 1415, average of remaining 4?

A. 1425

B. 1428

C. 1430

D. 1432

Answer: Option C

Solution (By JKSSB Mock Tests)

Sum12=17040. Sum8=11320. Remaining=5720. Average=1430.

This question belongs to: Maths Average

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Question #1

Average of 1435,2870 is

A. 2140

B. 2150

C. 2152.5

D. 2160

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Correct Answer: Option C

Explanation:
2152.5.

This question belongs to: Maths Average

Question #2

Average of 45,60,75,90 is

A. 68

B. 70

C. 67.5

D. 65

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Correct Answer: Option C

Explanation:
270/4=67.5.

This question belongs to: Maths Average

Question #3

Average of 15 numbers 2610. If average of 9 is 2605, average of remaining 6?

A. 2618

B. 2617.5

C. 2615

D. 2620

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Correct Answer: Option B

Explanation:
Sum15=39150. Sum9=23445. Remaining=15705. Average=2617.5.

This question belongs to: Maths Average

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