a car can finish a certain journey in 10 hours at the speed of 48 km per hour by how much should it's speed be increased so that it may take only 8 hours to cover the same distance
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Car travel in one hour = 48 km.
so car travelled in 10 hrs = 480 km.
if it cover 480 km in 8 hrs
then speed will be 480/8 = 60 km/h
so , speed will increased as 12 km/h more.
so car travelled in 10 hrs = 480 km.
if it cover 480 km in 8 hrs
then speed will be 480/8 = 60 km/h
so , speed will increased as 12 km/h more.
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heyaa....
ur solution is here...
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ur solution is here...
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