Average of first 10 odd numbers is MCQ with Answer and Explanation

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Average of first 10 odd numbers is

A. 11

B. 9

C. 12

D. 10

Answer: Option D

Solution (By JKSSB Mock Tests)

Average =10.

This question belongs to: Maths Average

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Question #1

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Average of 1305,1740,2175 is

A. 1740

B. 1735

C. 1750

D. 1730

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Correct Answer: Option A

Explanation:
5220/3=1740.

This question belongs to: Maths Average

Question #2

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Find the average of the first 5 composite numbers.

A. 6.8

B. 7.6

C. 7.4

D. 8

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Correct Answer: Option C

Explanation:
First 5 composites: 4,6,8,9,10 sum=37, avg=37/5=7.4.

This question belongs to: Maths Average

Question #3

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Average of even numbers between 1 and 31 is

A. 17

B. 18

C. 16

D. 15

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Correct Answer: Option C

Explanation:
2 to 30, 15 numbers. Average (2+30)/2=16.

This question belongs to: Maths Average

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