The radius of the wheel of a vehicle is 70cm The wheel makes 10 revolution in 10 sec the speed of th...........

Quantitative Aptitude (CDS) Mensuration 2D

The radius of the wheel of a vehicle is 70cm. The wheel makes 10 revolution in 10 sec the speed of the vehicle is?

62 m/sec

62.85 m/ sec

65 m/sec

60 m/sec

The radius of the wheel of a vehicle is 70

The perimeter of a circle is =2(22/7) 70

=440 m

Total distance travel by vehicle is=10×440

Speed is=440×10/70

=440/7 m/sec

=62.85 m/sec

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