Question

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

• A. $140$
• B. $150$
• C. $160$
• D. $166$

Answer 1

The correct option is A $140$

Distance covered by wheel in one round
$\pi d=\frac{22}{7}\times 40=\frac{880}{7}cm$
$\therefore$ Number of rounds to cover the distance 176 m
$=\frac{17600\times 7}{880}=140$