Speed Time & Distance Question Answers

Speed, Time and Distance - Quant/Math - CAT 2008

Question 4 the day: September 30, 2002

The question for the day is from the topic of Speed, Time and Distance.

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

(1)

31.25 cm

(2)

37.75 cm

(3)

35.15 cm

(4)

11.25 cm

Correct Answer - (1)

 

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Solution:

The distance covered by the wheel in 560 revolutions = 1100 m . Hence, the distance covered per revolution = metres. The distance covered in one revolution = circumference of the wheel.

Circumference =  => r = 31.25 cm.