Average of 7 numbers 50. If average of 4 is 45, average of remaining 3? MCQ with Answer and Explanation

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Average of 7 numbers 50. If average of 4 is 45, average of remaining 3?

A. 60

B. 57.67

C. 58

D. 55

Answer: Option B

Solution (By JKSSB Mock Tests)

Sum7=350. Sum4=180. Remaining=170. Average≈56.67 approx 57.

This question belongs to: Maths Average

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Practice More Average Questions

Question #1

The average of 10 numbers is 15. If each number is increased by 10, what is the new average?

A. 15

B. 20

C. 25

D. 30

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Correct Answer: Option C

Explanation:
New average =15+10=25.

This question belongs to: Maths Average

Question #2

Average of 315,420,525 is

A. 415

B. 430

C. 420

D. 410

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Correct Answer: Option C

Explanation:
1260/3=420.

This question belongs to: Maths Average

Question #3

Average of 8 numbers 1300. If average of 5 is 1295, average of remaining 3?

A. 1307

B. 1310

C. 1305

D. 1308.33

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Correct Answer: Option D

Explanation:
Sum8=10400. Sum5=6475. Remaining=3925. Average≈1308.33.

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