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'P' is twice as fast as Q and Q is thrice as fast as R. The journey covered by R in 54 minutes will be covered by Q in:

A18 min

B14 min

C23 min

D25 min

Answer:

A. 18 min

Read Explanation:

Since the speed of Q is 3 times as that of R, the time taken by Q will be 1/3 rd of the time taken by R Time taken by Q = 54/3 minutes = 18minutes .


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ഒരേ വേഗതയിൽ രണ്ട് ട്രെയിനുകൾ എതിർദിശയിൽ സഞ്ചരിക്കുന്നു. ഓരോ ട്രെയിനിന്റെയും നീളം 200 മീറ്ററാണെങ്കിൽ അവ 30 സെക്കൻഡിനുള്ളിൽ പരസ്പരം കടന്നുപോകുകയാണെങ്കിൽ, ഓരോ ട്രെയിനിന്റെയും വേഗത ?