Question
A and B started a business with investments in the ratio
2:5 respectively. Find the share of A, if they earned a profit of Rs. 2100.Solution
Share of A = (2/7) × 2100 = Rs. 600
A train travels at an average speed of 100 km per hour without stoppage and with stoppages it covers the same distance at an average speed of 80 km/hr. ...
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A train can cross a pole in 18 seconds. When the length of the train is increased by 50 metres, it now takes 169 seconds to overtake a car running in th...
A person is walking at 4 m/sec in the same direction of a train. The train crosses him in 7 seconds. If train speed is 72 km/hr, find the time to cross ...
