The no of revolutions a wheel of diameter 40cm makes in traveling a distance of 176m is	Choices
A) 338 B) 140 C) 287 D) 277 E) 136
Explanation:   distance covered in 1 revolution = {\color{140lue} 2\Pi r} = 2 *(22/7) *20 = 880/7 cm   required no of revolutions = 17600 *(7/880)= 
<gadget id="calculator">17600 *(7/880)</gadget>
<output>140</output>
140   Answer: 140) 140
<result>B</result>
The no of revolutions a wheel of diameter 40cm makes in traveling a distance of 176m is