Average of 40 numbers is 45. If numbers are increased by 5 each, new average? MCQ with Answer and Explanation

Average of 40 numbers is 45. If numbers are increased by 5 each, new average?

A. 45

B. 50

C. 55

D. 48

Answer: Option B

New average =45+5=50.

This question belongs to: Maths Average

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Question #1 Report Error

Average of 12 numbers 520. If average of 8 is 515, average of remaining 4?

A. 532

B. 530

C. 525

D. 528

Correct Answer: Option B

Explanation:
Sum12=6240. Sum8=4120. Remaining=2120. Average=530.

This question belongs to: Maths Average

Question #2 Report Error

Average of 9 numbers 2440. If average of 6 is 2435, average of remaining 3?

A. 2450

B. 2455

C. 2448

D. 2445

Correct Answer: Option A

Explanation:
Sum9=21960. Sum6=14610. Remaining=7350. Average=2450.

This question belongs to: Maths Average

Question #3 Report Error

Average of 10 numbers 330. If average of 6 is 325, average of remaining 4?

A. 335

B. 337.5

C. 336

D. 340

Correct Answer: Option B

Explanation:
Sum10=3300. Sum6=1950. Remaining=1350. Average=337.5.

This question belongs to: Maths Average