Average of 15 numbers 1460. If average of 9 is 1455, average of remaining 6? MCQ with Answer and Explanation

Average of 15 numbers 1460. If average of 9 is 1455, average of remaining 6?

A. 1470

B. 1468

C. 1465

D. 1467.5

Answer: Option D

Sum15=21900. Sum9=13100- wait 9*1455=13095. Remaining=8805. Average=1467.5.

This question belongs to: Maths Average

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Question #1 Report Error

The average marks in English for 30 students 55. If 10 students average 65, average of remaining?

A. 50

B. 48

C. 55

D. 52

Correct Answer: Option A

Explanation:
Total=1650. 10 students=650. Remaining=1000 for 20. 50.

This question belongs to: Maths Average

Question #2 Report Error

Average of 165,220,275 is

A. 210

B. 220

C. 215

D. 230

Correct Answer: Option B

Explanation:
660/3=220.

This question belongs to: Maths Average

Question #3 Report Error

The average age of husband and wife was 25 years 5 years ago. What will be their average age 5 years from now?

A. 35

B. 30

C. 25

D. 40

Correct Answer: Option A

Explanation:
5 years ago average 25, so current average 30. 5 years later average =30+5=35.

This question belongs to: Maths Average