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A boy can swim a certain distance downstream in 5 hours and return in 7 hours. If the rate of stream is 4 kmph then what is the speed of boy in still wa...
As observed from the top of a light house, 120 √3 m above the sea level, the angle of depression of a ship sailing towards it changes from 30°...
A bus takes 6 hours to travel from city P to city Q. If the speed was reduced by 10% after covering 120 km, it takes 30 more minu...
‘A’ and ‘B’ started moving towards each other at same time with a speed of 22 km/hr and 33 km/hr, respectively. If the distance covered by ‘A�...
A woman travels at 60 km/h and is expected to reach her destination in 2 hours. However, after covering half the distance, she takes a 20-minute break. ...
Buses A and B are moving around a circular ground of radius 350 m. If the speeds of the buses A and B are 11 m/sec and 20 m/sec respectively, then what ...
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 traveler moves a distance in three intervals. In the first 'u - 15' km, he travels at 20 km/h, in the next 'u' km at 40 km/h, and completes the journe...
Buses A and B are moving around a circular ground of radius 140 m. If the speeds of the buses A and B are 15 m/sec and 20 m/sec respectively, then what ...