The no of revolutions a wheel of diameter 40cm makes in traveling a distance of 176m is Choose the correct choice from the following answers.
A) 122	B) 140	C) 287	D) 128	E) 112
distance covered in 1 revolution =   = 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
<result>B</result>
The no of revolutions a wheel of diameter 40cm makes in traveling a distance of 176m is