The length of the bridge, which a train 130 meters long and travelling at 45 km/hr can cross in 30 seconds is :
A200
B225
C245
D250
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ഒരു ട്രെയിൻ 30 കിലോമീറ്റർ ദൂരം സഞ്ചരിക്കാൻ 20 മിനിറ്റ് സമയം എടുക്കുന്നു. എങ്കിൽ ഈ ട്രെയിനിന്റെ വേഗം കിലോമീറ്റർ/ മണിക്കൂറിൽ :
In covering a distance of 90 km, Anirudh takes 8 hours more than Burhan. If Anirudh doubles his speed, then he would take 7 hour less than Burhan. Anirudh's speed is:
A motor car starts with a speed of 60 km/h and increases its speed after every two hours by 15 km/h. In how much time
will it cover a distance of 360 km?
A person covers certain distance in 2 hours at a speed of 10 km/h and some more distance in 4 hours at a speed of 6 km/h.
Find his average speed for the entire distance covered.
Two trains, one 125 metres and the other 375 metres long are running in opposite directions on parallel tracks, at the speed of 81 km/hr and 63 km/hr respectively. How much time will they take to cross each other?