Latest exam Aptitude Question SOLUTION: If the wheel of a bicycle makes 560 revolutions in travelling 1.1 km, what is its radius? A. 31.25 cm B. 37.75 cm C. 35.15 cm D. 11.25 cm

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If the wheel of a bicycle makes 560 revolutions in travelling 1.1 km, what is its radius?

A.

31.25 cm

B.

37.75 cm

C.

35.15 cm

D.

11.25 cm

Asked In exam MAN (10 years ago)

Unsolved Read Solution (4)

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Read Solution (4) :

ankit koura  (10 years ago)

sry prev ans is wrong
The distance covered by the wheel in 560 revolutions = 1100 m.
Hence, the distance covered per revolution =
1100
560
=
55
28
metres.
The distance covered in one revolution = circumference of the wheel.

Circumference = 2πr=2×
22
7
×r
⇒ r= 31.25 cm.

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Ahalya.A  (9 years ago)

The distance covered by the wheel in 560 revolutions = 1100 m.
Hence, the distance covered per revolution =1100/560=55/28 metres.
The distance covered in one revolution = circumference of the wheel.
Circumference = 2πr=2×22/7×r
⇒ r= 31.25 cm.

Is this solution Helpfull? Yes (1) | No   

praveen kumar  (9 years ago)

ans is a
as total distance travelled as the wheel having r m as radius= 2*3.14*r*560=1100 m
or r=31.25 cm

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ankit koura  (10 years ago)

B. 37.75 cm

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