Average of 8 numbers 1450. If average of 5 is 1445, average of remaining 3? MCQ with Answer and Explanation

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Average of 8 numbers 1450. If average of 5 is 1445, average of remaining 3?

A. 1455

B. 1458.33

C. 1460

D. 1457

Answer: Option B

Solution (By JKSSB Mock Tests)

Sum8=11600. Sum5=7225. Remaining=4375. Average≈1458.33.

This question belongs to: Maths Average

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Practice More Average Questions

Question #1

Find the average of the squares of first 4 natural numbers.

A. 7

B. 6.5

C. 7.5

D. 8

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Correct Answer: Option C

Explanation:
Squares:1,4,9,16 sum=30, avg=30/4=7.5.

This question belongs to: Maths Average

Question #2

Average of 10 numbers 730. If average of 6 is 725, average of remaining 4?

A. 735

B. 736

C. 740

D. 737.5

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Correct Answer: Option D

Explanation:
Sum10=7300. Sum6=4350. Remaining=2950. Average=737.5.

This question belongs to: Maths Average

Question #3

The average of 4 numbers is 25. If the numbers are in the ratio 2:3:4:5, find the smallest number.

A. 13.5

B. 14.29

C. 14

D. 15

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Correct Answer: Option B

Explanation:
Sum=4×25=100. Ratio sum=14. Smallest = (2/14)×100 =14.285...≈14.29.

This question belongs to: Maths Average

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