The average of 780,1040,1300 is MCQ with Answer and Explanation

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The average of 780,1040,1300 is

A. 1040

B. 1050

C. 1030

D. 1035

Answer: Option A

Solution (By JKSSB Mock Tests)

3120/3=1040.

This question belongs to: Maths Average

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Question #1

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Average of 7 numbers 55. If average of 4 is 50, average of remaining 3?

A. 65

B. 60

C. 62.33

D. 58

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Correct Answer: Option C

Explanation:
Sum7=385. Sum4=200. Remaining=185. Average≈61.67 approx 62.

This question belongs to: Maths Average

Question #2

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Average of 8 numbers 50. If average of 5 is 45, average of remaining 3?

A. 58.33

B. 57

C. 55

D. 60

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Correct Answer: Option A

Explanation:
Sum8=400. Sum5=225. Remaining=175. Average≈58.33.

This question belongs to: Maths Average

Question #3

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What is the average of the first 5 multiples of 3?

A. 12

B. 9

C. 8

D. 10

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Correct Answer: Option B

Explanation:
Multiples: 3,6,9,12,15 sum=45, average=45/5=9.

This question belongs to: Maths Average

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