The average of 600,800,1000 is MCQ with Answer and Explanation

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The average of 600,800,1000 is

A. 800

B. 795

C. 810

D. 790

Answer: Option A

Solution (By JKSSB Mock Tests)

2400/3=800.

This question belongs to: Maths Average

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Question #1

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Average of 30 numbers 40. If 10 numbers average 50 removed, new average of 20?

A. 36

B. 30

C. 32

D. 35

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Correct Answer: Option D

Explanation:
Total=1200. Removed=500. Remaining=700/20=35.

This question belongs to: Maths Average

Question #2

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Average of 165,220,275 is

A. 215

B. 230

C. 220

D. 210

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Correct Answer: Option C

Explanation:
660/3=220.

This question belongs to: Maths Average

Question #3

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The average height of 5 students is 150 cm. If a new student of height 160 cm joins, what is the new average?

A. 151.67 cm

B. 152 cm

C. 155 cm

D. 151 cm

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Correct Answer: Option A

Explanation:
Sum of 5 =5×150=750. Sum of 6 =750+160=910. New average =910/6=151.67.

This question belongs to: Maths Average

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