The number of revolutions a wheel of diameter $40 c m$ makes in travelling a distance of $176 m$ is $(π = \frac{22}{7})$

140

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150

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160

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166

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Solution

The correct option is A $140$
Distance covered by wheel in one round
$π d = \frac{22}{7} \times 40 = \frac{880}{7} c m$
$∴$ Number of rounds to cover the distance 176 m
$= \frac{17600 \times 7}{880} = 140$

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Similar questions

40 c m

176 m

(π = \frac{22}{7})

In making 1000 revolutions, a wheel covers 88 km. The diameter of the wheel is

(a) 140 (b) 150 (c) 160 (d) 166

The diameter of a wheel is $40 c m$ . How many revolutions will it make in covering $176 m$ ?
(a) $140$
(b) $150$
(c) $160$
(d) $166$

π

140

10

66

u s e

π = \frac{22}{7}

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