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A bicycle has wheels with a diameter of 42cm.
The bicycle is ridden in a straight line at a constant speed. The wheel makes

By Parker

A bicycle has wheels with a diameter of 42cm.
The bicycle is ridden in a straight line at a constant speed. The wheel makes 250
revolutions per minute.
What is the speed of the bicycle in kilometres per hour?

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Parker

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Numerical Ability
Note: This question is mandatory for you to attempt Inaddition, you cannot re-si is question

Cobalt-60 has a half-life of 5 years. You are given a sample of 20g of colbalt-60; how much will you have remaining after 10 years

2 thoughts on “A bicycle has wheels with a diameter of 42cm.<br /> The bicycle is ridden in a straight line at a constant speed. The wheel makes”

  1. Answer:

    diameter = 49cm;

    radius = diameter/2 = 24.5cm;

    circumference = 2πr ≈ 153.94 = 154cm

    1 revolution = 154cm

    50 revolution = 7700cm = 77m

    I hope I am correct.

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