With what speed should a car travel so that it can cover a distance of $5 k m$ in $5 m i n$ ?

1 k m / h

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5 k m / h

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12 k m / h

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60 k m / h

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Solution

The correct option is D $60 k m / h$
We know that, $S p e e d = \frac{d i s t a n c e}{t i m e}$
Distance $= 5 k m$
Time $= 5 m i n = \frac{5}{60} h = \frac{1}{12} h$
Speed $= \frac{d i s t a n c e}{t i m e} = \frac{5 k m}{\frac{1}{12} h}$ $= 60 k m / h$

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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

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With what speed should a car travel so that it can cover a distance of 5 km in 5 min?

The correct option is D 60 km/hWe know that, Speed=distancetimeDistance =5 kmTime =5 min=560h=112hSpeed =distancetime=5km112h =60 km/h

With what speed should a car travel so that it can cover a distance of $5 k m$ in $5 m i n$ ?

The correct option is D $60 k m / h$
We know that, $S p e e d = \frac{d i s t a n c e}{t i m e}$
Distance $= 5 k m$
Time $= 5 m i n = \frac{5}{60} h = \frac{1}{12} h$
Speed $= \frac{d i s t a n c e}{t i m e} = \frac{5 k m}{\frac{1}{12} h}$ $= 60 k m / h$