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Travelling at 60 km/h, a person reaches his destination in certain time. He covers 60% of his journey in 2/5th of the time. At what speed (in km/h) should he travel to cover the remaining journey so that he reaches the destination right on time ?
5Q:
Travelling at 60 km/h, a person reaches his destination in certain time. He covers 60% of his journey in 2/5th of the time. At what speed (in km/h) should he travel to cover the remaining journey so that he reaches the destination right on time ?
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