The average of 570,760,950 is MCQ with Answer and Explanation

The average of 570,760,950 is

A. 750

B. 760

C. 755

D. 770

Answer: Option B

2280/3=760.

This question belongs to: Maths Average

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Question #1 Report Error

Average of 15 numbers 310. If average of 9 is 305, average of remaining 6?

A. 318

B. 320

C. 317.5

D. 315

Correct Answer: Option C

Explanation:
Sum15=4650. Sum9=2745. Remaining=1905. Average=317.5.

This question belongs to: Maths Average

Question #2 Report Error

The average age of 10 friends is 25. If one 30 years old joins, new average?

A. 26

B. 25.5

C. 25.45

D. 24.5

Correct Answer: Option C

Explanation:
Total=250. New=280/11≈25.45.

This question belongs to: Maths Average

Question #3 Report Error

Average of 9 numbers 2540. If average of 6 is 2535, average of remaining 3?

A. 2548

B. 2555

C. 2545

D. 2550

Correct Answer: Option D

Explanation:
Sum9=22860. Sum6=15210. Remaining=7650. Average=2550.

This question belongs to: Maths Average