Q.1 If a train maintains an average speed of 40km an hour, it arrives at its destination punctually. If however average speed is 35 km an hour, it arrives 15 min. late. Find the length of the train ? A) 70 B) 30 C) 40 D) 80 Ans. A Shortcut:Product of speed/difference of speed*time i.e. …
Q.1 A train passes a pole on the platform in 3sec & the platform in 8sec. If the length of the platform is 120m. Find the length of the train ?A) 68mB) 69mC) 71mD) 72mAns. DShortcut:120/ (8-3) * 3120/5 * 3=72m Q.2 Two trains of length 100m & 80m run on parallel lines of rails. …
Q.1 A train 110m long running with a speed of 60km/hr. In what time will it pass a man who is walking at 6km/hr ?A) 7 1/3 secB) 6 1/3 secC) 5 1/3 secD) 4 1/3 secAns. A Q.2 Two trains 130m & 120m in length are running in the same direction at 70km/hr & …
Q.1 A 60 m long train travels at a uniform speed of 72 km/hr. It passes non-stop along the 600m platform of a wayside station. What is the elapsed time for the train to entire clear the platform ?A) 31 secB) 30 secC) 32 secD) 33 secAns. DConvert speed in meter per second then apply …
Q.1 There are 3 trains from Mumbai to Ahmedabad and 7 trains from Ahmedabad to Kutch. In how many ways can Jethalal reach Kutch? A) 18 ways B) 19 ways C) 20 ways D) 21 ways Ans. D From Mumbai to A’bad, Jethalal can go in 3 ways. (Because there are three train, he can …
