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The correct answer is D
X men can complete the piece of work in 32 days and (X + 45) men can complete the same work in 15 days less than that of days taken by X men. Find the v...
A car completes a journey in 6 hrs with a speed of 50 km/hr. At what speed must it travel to complete the journey in 5 hrs?
Train M crosses a platform in 60 seconds and overtakes a man running in the opposite direction at 12 km/h in 30 seconds. Train N passes Train M, which i...
‘A’ and ‘B’ started moving towards each other at same time with a speed of 23 km/hr and 24 km/hr, respectively. If the di...
While going to a destination after travelling 75km, the driver noticed some problem in the clutch of the train due to which he had to proceed at 2/5 of ...
A thief and a policeman are 80 km apart. The thief is traveling at a speed of 48 km/h, while the policeman is moving at 80 km/h. How far will the police...
A man walks 4 km at a speed of 2 kmph, runs 6 km at a speed of 2 kmph and goes by bus another 32 km. Speed of the bus is 8 kmph. Find the average speed ...
Buses A and B are moving around a circular ground of radius 210 m. If the speeds of the buses A and B are 16 m/sec and 20 m/sec respectively, then what ...
A cheetah can catch a deer running with a speed of 144 km/h and is 50 meters ahead of it, in 10 seconds. Find the time taken by the cheetah to catch a z...
A boat can travel 30 km downstream in 45 min. The ratio of the speed of the boat in still water to the speed of the stream is 5: 3. How much time will t...