The average of 1128,1504 is MCQ with Answer and Explanation

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The average of 1128,1504 is

A. 1316

B. 1310

C. 1300

D. 1320

Answer: Option A

Solution (By JKSSB Mock Tests)

1316.

This question belongs to: Maths Average

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Question #1

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Average of 8 numbers 36. If each increased by 3, new average?

A. 40

B. 39

C. 37

D. 36

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Correct Answer: Option B

Explanation:
39.

This question belongs to: Maths Average

Question #2

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Average of 15 numbers 1960. If average of 9 is 1955, average of remaining 6?

A. 1967.5

B. 1965

C. 1970

D. 1968

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Correct Answer: Option A

Explanation:
Sum15=29400. Sum9=17595. Remaining=11805. Average=1967.5.

This question belongs to: Maths Average

Question #3

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Find the average of the first 10 even numbers.

A. 11.5

B. 10

C. 12

D. 11

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Correct Answer: Option D

Explanation:
Sum of first 10 even numbers = 10×11=110 (since sum = n(n+1) for first n evens? Actually sum = 2+4+...+20 = 2*(1+2+...+10)=2*55=110). Average=110/10=11.

This question belongs to: Maths Average

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