The average of 1440,1920,2400 is MCQ with Answer and Explanation

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The average of 1440,1920,2400 is

A. 1910

B. 1915

C. 1930

D. 1920

Answer: Option D

Solution (By JKExamLibrary)

5760/3=1920.

This question belongs to: Maths Average

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Question #1

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The average of 8 numbers is 36. If one number is 60, what is the average of the rest?

A. 31.5

B. 32.57

C. 32

D. 33

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Correct Answer: Option B

Explanation:
Sum=8×36=288. Rest sum=288-60=228. Avg=228/7=32.57.

This question belongs to: Maths Average

Question #2

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Average of 12 numbers 1870. If average of 8 is 1865, average of remaining 4?

A. 1880

B. 1882

C. 1875

D. 1878

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Correct Answer: Option A

Explanation:
Sum12=22440. Sum8=14920. Remaining=7520. Average=1880.

This question belongs to: Maths Average

Question #3

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The average of 9 numbers is 40. If average of 6 is 35, average of remaining 3 is

A. 55

B. 45

C. 48

D. 50

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Correct Answer: Option D

Explanation:
Sum9=360. Sum6=210. Remaining sum=150. Average=50.

This question belongs to: Maths Average

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