Average of 8 numbers is 50. If average of 5 is 45, average of other 3? MCQ with Answer and Explanation

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Average of 8 numbers is 50. If average of 5 is 45, average of other 3?

A. 50

B. 60

C. 58.33

D. 55

Answer: Option C

Solution (By JKSSB Mock Tests)

Sum8=400. Sum5=225. Remaining=175. Average≈58.33.

This question belongs to: Maths Average

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Practice More Average Questions

Question #1

Average of numbers divisible by 6 from 6 to 60.

A. 30

B. 36

C. 33

D. 32

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Correct Answer: Option C

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

This question belongs to: Maths Average

Question #2

Average of 12 numbers 1070. If average of 8 is 1065, average of remaining 4?

A. 1078

B. 1075

C. 1082

D. 1080

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Correct Answer: Option D

Explanation:
Sum12=12840. Sum8=8520. Remaining=4320. Average=1080.

This question belongs to: Maths Average

Question #3

Average of 10 numbers 280. If average of 6 is 275, average of remaining 4?

A. 285

B. 287.5

C. 290

D. 286

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Correct Answer: Option B

Explanation:
Sum10=2800. Sum6=1650. Remaining=1150. Average=287.5.

This question belongs to: Maths Average

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