Average of 1255,2510 is MCQ with Answer and Explanation

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Average of 1255,2510 is

A. 1880

B. 1890

C. 1870

D. 1882.5

Answer: Option D

Solution (By JKSSB Mock Tests)

1882.5.

This question belongs to: Maths Average

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Question #1

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The average of first 5 even numbers is

A. 8

B. 5

C. 7

D. 6

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Correct Answer: Option D

Explanation:
2+4+6+8+10=30. Average=6.

This question belongs to: Maths Average

Question #2

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The average of numbers from 11 to 30 is

A. 21

B. 19.5

C. 20.5

D. 20

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Correct Answer: Option C

Explanation:
(11+30)/2=20.5.

This question belongs to: Maths Average

Question #3

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Average of 10 numbers 980. If average of 6 is 975, average of remaining 4?

A. 985

B. 987.5

C. 990

D. 986

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Correct Answer: Option B

Explanation:
Sum10=9800. Sum6=5850. Remaining=3950. Average=987.5.

This question belongs to: Maths Average

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