A car travels a distance of 840 kms at a uniform speed. Ifthe speed of the car is 10 kmph more, it takes two hours less to cover the same distance. The original speed of the car is

80 kmph

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50 kmph

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75 kmph

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60 kmph

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Solution

The correct option is D 60 kmph
Let the original speed of the car be x kmph
$⟹ \frac{840}{x} - \frac{840}{x + 10} = 2$
$⟹ x = 60$

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A car travels a distance of 840 kms at a uniform speed. Ifthe speed of the car is 10 kmph more, it takes two hours less to cover the same distance. The original speed of the car is

The correct option is D 60 kmphLet the original speed of the car be x kmph⟹840x−840x+10=2⟹x=60

The correct option is D 60 kmph
Let the original speed of the car be x kmph
$⟹ \frac{840}{x} - \frac{840}{x + 10} = 2$
$⟹ x = 60$