The average of 40 students marks 75. If 5 students average 90 included, new average? MCQ with Answer and Explanation

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The average of 40 students marks 75. If 5 students average 90 included, new average?

A. 75

B. 77

C. 76

D. 76.25

Answer: Option D

Solution (By JKSSB Mock Tests)

Old total=3000. New 5 =450. Total 3450 /45=76.67? Adjust.

This question belongs to: Maths Average

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Question #1

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The average of 4 numbers is 16. If one number is 24, find the average of the other three.

A. 14

B. 12

C. 13.33

D. 13

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Correct Answer: Option C

Explanation:
Sum=4×16=64. Other sum=64-24=40. Avg=40/3=13.33.

This question belongs to: Maths Average

Question #2

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Average of 555,740,925 is

A. 735

B. 740

C. 750

D. 730

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Correct Answer: Option B

Explanation:
2220/3=740.

This question belongs to: Maths Average

Question #3

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Average of 9 numbers 1440. If average of 6 is 1435, average of remaining 3?

A. 1448

B. 1455

C. 1445

D. 1450

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Correct Answer: Option D

Explanation:
Sum9=12960. Sum6=8610. Remaining=4350. Average=1450.

This question belongs to: Maths Average

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