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Delhi University MCA Previous Year Questions (PYQs)
Delhi University MCA Time And Distance PYQ
An
athlete has to cover a distance of 6 Kms in 90 Minutes. He covers two-third of
the distance in two-thirds of the total time. To cover the remaining distance
in the remaining time, his speed should be____ Km/Hr. ?
Go to Discussion
Solution
An athlete needs to cover 6 km in 90 minutes.Given that he covers 2/3 of the distance in 2/3 of the total time
⇒ he covers 2/3 of 6 km in two-thirds of 90 minutes
⇒ He covers 4 km in 60 minutes.
Now he needs to cover the remaining 2 km in remaining 30 minutes
Distance = 2 km
Time =30 minutes =1/2 hour
Required Speed =2/(1/2)km/hr = 4km/hr
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