Average of 15 numbers 360. If average of 9 is 355, average of remaining 6? MCQ with Answer and Explanation

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Average of 15 numbers 360. If average of 9 is 355, average of remaining 6?

A. 367.5

B. 370

C. 365

D. 368

Answer: Option A

Solution (By JKSSB Mock Tests)

Sum15=5400. Sum9=3195. Remaining=2205. Average=367.5.

This question belongs to: Maths Average

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Practice More Average Questions

Question #1

Average of 25,35,45,55 is

A. 45

B. 38

C. 40

D. 42

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Correct Answer: Option C

Explanation:
Sum=160. Average=40.

This question belongs to: Maths Average

Question #2

Average of 10 numbers 480. If average of 6 is 475, average of remaining 4?

A. 490

B. 487.5

C. 485

D. 486

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Correct Answer: Option B

Explanation:
Sum10=4800. Sum6=2850. Remaining=1950. Average=487.5.

This question belongs to: Maths Average

Question #3

What is the average of all numbers from 1 to 50 that are divisible by 7?

A. 28.5

B. 29

C. 27.5

D. 28

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Correct Answer: Option D

Explanation:
Numbers: 7,14,21,28,35,42,49. Sum=196, count=7, avg=28.

This question belongs to: Maths Average

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