Average of 9 numbers 340. If average of 6 is 335, average of remaining 3? MCQ with Answer and Explanation

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Average of 9 numbers 340. If average of 6 is 335, average of remaining 3?

A. 350

B. 348

C. 355

D. 345

Answer: Option A

Solution (By JKExamLibrary)

Sum9=3060. Sum6=2010. Remaining=1050. Average=350.

This question belongs to: Maths Average

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Average of 1425,1900,2375 is

A. 1910

B. 1890

C. 1895

D. 1900

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Correct Answer: Option D

Explanation:
5700/3=1900.

This question belongs to: Maths Average

Question #2 Report Error

Average of 100 numbers is 50. If 50 is added to each, new average is

A. 50

B. 100

C. 150

D. 75

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Correct Answer: Option B

Explanation:
New average =50 +50=100.

This question belongs to: Maths Average

Question #3 Report Error

The average of 6 numbers is 15. If average of first 4 is 12, average of last 3 is 18, the 4th number is

A. 15

B. 16

C. 18

D. 12

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Correct Answer: Option A

Explanation:
Sum6=90. Sum1-4=48. Sum4-6=54. 4th=48+54-90=12? Adjust.

This question belongs to: Maths Average

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