the circumfrence of the front wheel of a car is 10 dam and that of the the hind wheel is 16 dam.How may revolution more will the first wheel make than the second is covering a distance of 96 km.
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1 dam=1/100 km
10 dam=1/10 km= 2×3.14×r
r=0.628 km (r= radius of front wheel)
R of hind wheel=1/16 km= 2×3.14×R
R=0.3925
Revolution made my front wheel
=96×10= 960
Revolution made by hind wheel=
96×16=1536
Hind wheel makes (1536-960) more than front wheel
=576 revolution
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