The average of 80,90,100 is MCQ with Answer and Explanation

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The average of 80,90,100 is

A. 85

B. 88

C. 90

D. 95

Answer: Option C

Solution (By JKSSB Mock Tests)

270/3=90.

This question belongs to: Maths Average

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Question #1

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The average of 4 numbers is 20. If each number is increased by 5, what is the new average?

A. 25

B. 20

C. 30

D. 15

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Correct Answer: Option A

Explanation:
New average =20+5=25.

This question belongs to: Maths Average

Question #2

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Average of 1305,1740,2175 is

A. 1730

B. 1740

C. 1750

D. 1735

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Correct Answer: Option B

Explanation:
5220/3=1740.

This question belongs to: Maths Average

Question #3

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Average of 9 numbers 2140. If average of 6 is 2135, average of remaining 3?

A. 2155

B. 2145

C. 2148

D. 2150

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Correct Answer: Option D

Explanation:
Sum9=19260. Sum6=12810. Remaining=6450. Average=2150.

This question belongs to: Maths Average

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