1.

11. A bicycle wheel of diameter 70cmcovers a certain distance after making100 revolutions. How many metresdid it cover?A. 22mB. IlmC. 220mD. 2200m

Answer»

Diameter of wheel = 70 cmRadius of wheel r = 70/2 = 35 cm or .35 m

Distance covered by wheel in one revolution = circumference of wheel

Thus, Distance covered by wheel in 100 revolutions= 2*pi*r*100= 2*22/7 *. 35*100= 44*5= 220 m

(C) is correct option



Discussion

No Comment Found