How many seconds will a boy take to run one complete round around a square field of side 38 metres, if he runs at a speed of 6 km/h?
A91.2
B50.1
C61.2
D71.2
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Related Questions:
In a circular race of 4225 m, X and Y start from the same point and at the same time at speeds of 54 km/h and 63 km/h. When will they meet again for the first time on the track when they are running in the opposite direction?
ഒരേ വേഗതയിൽ രണ്ട് ട്രെയിനുകൾ എതിർദിശയിൽ സഞ്ചരിക്കുന്നു. ഓരോ ട്രെയിനിന്റെയും നീളം 200 മീറ്ററാണെങ്കിൽ അവ 30 സെക്കൻഡിനുള്ളിൽ പരസ്പരം കടന്നുപോകുകയാണെങ്കിൽ, ഓരോ ട്രെയിനിന്റെയും വേഗത ?
A man goes from A to B at a speed of 40 kmph and comes back to A at a speed of 60 kmph. Find his average speed for the entire journey?
A bus travelling at 55 km/h completes a journey in 8 hours. At what speed will it have to cover the same distance in 20 hours?
A teacher driving his vehicle at 24 kmph, reaches her school 5 minutes late. If she had driven the vehicle 25% faster on an average she would have reached 4 minutes earlier than the scheduled time. How far is her school ?