By travelling at a speed of 48 km/h, a car can finish a certain journey in 10 hours. To cover the same distance in 8 hours, the speed of the car should be

30 km/h

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40 km/h

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60 km/h

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80 km/h

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Solution

The correct option is C 60 km/h
Speed of the car = 48 km/h
and time taken by car = 10h
$D i s t a n c e = S p e e d \times T i m e = 48 \times 10 = 480 k m$
If car need to cover 480km in 8h, then
Required speed = $\frac{480}{8} = 60 k m / h$
Option 'c' is correct.

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Question 6

By travelling at a speed of 48 km/h, a car can finish a certain journey in 10 hours. To cover the same distance in 8 hours, the speed of the car should be
(a) 60 km/h
(b) 80 km/h
(c) 30 km/h
(d) 40 km/h

Question 6

Q. A car can finish a certain journey in 10 hours at the speed of 48 km/hr. By how much should its speed be increased so that it may take only 8 hours to cover the same distance?

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By travelling at a speed of 48 km/h, a car can finish a certain journey in 10 hours. To cover the same distance in 8 hours, the speed of the car should be

The correct option is C 60 km/hSpeed of the car = 48 km/h and time taken by car = 10h Distance=Speed×Time=48×10=480km If car need to cover 480km in 8h, then Required speed = 4808=60km/h Option 'c' is correct.

The correct option is C 60 km/h
Speed of the car = 48 km/h
and time taken by car = 10h
$D i s t a n c e = S p e e d \times T i m e = 48 \times 10 = 480 k m$
If car need to cover 480km in 8h, then
Required speed = $\frac{480}{8} = 60 k m / h$
Option 'c' is correct.