The average of 1170,1560,1950 is MCQ with Answer and Explanation

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The average of 1170,1560,1950 is

A. 1560

B. 1555

C. 1550

D. 1570

Answer: Option A

Solution (By JKSSB Mock Tests)

4680/3=1560.

This question belongs to: Maths Average

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Question #1

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Average of 9 numbers 690. If average of 6 is 685, average of remaining 3?

A. 700

B. 698

C. 695

D. 705

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Correct Answer: Option A

Explanation:
Sum9=6210. Sum6=4110. Remaining=2100. Average=700.

This question belongs to: Maths Average

Question #2

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Average speed for 3 equal distances at 20,30,60 km/h?

A. 33.33

B. 40

C. 36.67

D. 30 km/h

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Correct Answer: Option D

Explanation:
3d / (d/20 +d/30 +d/60) =3 / (0.05+0.0333+0.0167) =3/0.1 =30.

This question belongs to: Maths Average

Question #3

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Average of 8 numbers 2700. If average of 5 is 2695, average of remaining 3?

A. 2710

B. 2705

C. 2707

D. 2708.33

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Correct Answer: Option D

Explanation:
Sum8=21600. Sum5=13475. Remaining=8125. Average≈2708.33.

This question belongs to: Maths Average

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