A truck running at 75 kmph takes one hour to cover a distance. If the speed is reduced by 15 kmph then in how much time it will cover the distance?

72 min

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78 min

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75 min

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60 min

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None of these

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Solution

The correct option is C
75 min

Reduced speed = 75-15 = 60 km/h

$\Rightarrow$ Now car will take $\frac{75}{60} \times$ 60 mins = 75 mins

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A truck running at 75 kmph takes one hour to cover a distance. If the speed is reduced by 15 kmph then in how much time it will cover the distance?

The correct option is C 75 min Reduced speed = 75-15 = 60 km/h ⇒ Now car will take 7560× 60 mins = 75 mins

The correct option is C
75 min

Reduced speed = 75-15 = 60 km/h

$\Rightarrow$ Now car will take $\frac{75}{60} \times$ 60 mins = 75 mins