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The correct answer is D
A train moving at 3/5th of its normal speed reaches its destination 10 hours late. Find the normal time taken by it.
A cheetah can catch a deer running with a speed of 36 km/h and is 45 meters ahead of it, in 12 seconds. Find the time taken by the cheetah to catch a ze...
'A' and 'B' are running on a circular track of length 4000 metres. 'A' is running clockwise at 8 m/s while 'B' is running anti-clockwise at 10 m/s. Find...
Rajesh whose speed is < 4 m/s travels along a rectangular path. The diagonal length of the park is 5x(13) (1/2) He reaches from one point of ...
A person travels between three towns as follows:
The tops of two poles of height 60 metres and 35 metres are connected by a rope. If the rope makes an angle with the horizontal whose tangent is 5/9 met...
Pawan Express is a 300-meter-long train which moves at an average speed of 100 km/hr and crosses a platform in 27 seconds. A man crosses the same platfo...
The speed of a car is 30% more than that of a bike. Both of them start from a same point. After travelling for 4 hours, the speed of the bike is increas...
The average speed of a bus is 6/7 of the average speed of a car which covers 3500 km in 60 hrs. What is the average speed of the bus?