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A person has to cover a distance of 8 km in 1 hour. If he covers one-fourth of the distance in one-third of the total time, then what should his speed (in km/h) be to cover the remaining distance in the remaining time so that the person reaches the destination exactly on time?

A6

B8

C7

D9

Answer:

D. 9

Read Explanation:

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ഒരു സൈക്കിളിന്റെ വേഗത 8 മീറ്റര്‍/സെക്കന്‍റ്‌ ആണ്. അതേ വേഗതയി‌ല്‍ സഞ്ചരിക്കുകയാണെങ്കില്‍ ആ സൈക്കിൾ 1 1⁄4 മണിക്കൂര്‍ കൊണ്ട്‌ എത്ര ദൂരം സഞ്ചരിക്കും?