Mumbai rajdhani express takes 16 hrs to reach mumbai from delhi,while swaraj express takes 20 hrs to reach mumbai.The ratio of their speeds is?

When Rahul walks up a stationary escalator,then he takes 20s to reach the top.While when he walks up a moving escalator,he takes 10s to reach the top.The time taken by him to reach the top when stand still on the moving escalator is?

Train A travelling at 60 km/hr leaves Mumbai for Delhi at 6 p.m. Train B travelling at 90 km/hr also leaves Mumbai for Delhi at 9 p.m. Train C leaves Delhi for Mumbai at 9 p.m. If all the three trains meet at the same time between Mumbai and Delhi, then what is the speed of train C if the distance between Delhi and Mumbai is 1260 km? 60 k m//h r b. 90 k m//h r c. 120 k m//h r d. 13 k m//h r

A trip from Mumbai to Pune takes 4 hours 30 minutes at a speed of 60 km.hr. How long (in hours) will it take to complete, if the speed is 15m 'sec?

A trip from Mumbai to Pune takes 4 hours 30 minutes at a speed of 60 km.hr. How long (in hours) will it take to complete, if the speed is 15m 'sec?