A car makes 50,000 revolutions to travel a distance of 121 km. The diameter
of the wheel of the car is
(6) 66 cm
(c) 88 cm (d) 77 cm
la) 55 cm
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Answer: Revolution=50000 D=121km=12100000cm In 1 revolution distance= 12100000/50000=242 cm Therefore Circumference of wheel= 2pi r 2*22/7*r= 242 r= 242*7/2*22 r=77/2 cm D= 2r = 2*77/2 =77cm
arushibhagoriya:
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