Parag catches up to Vipul in 7 hours at a speed of 39 km/hr. So, the distance Parag covers is 39×7 = 273 km. Vipul was running for 13 hours total (6 hours before Parag started + 7 hours while being chased). Since Vipul also covered 273 km, his average speed is (273km/13hr) = 21 km/hr Vipul's average speed is 21 km/hr.
Tap A can fill a tank in 15 hours. Tap B can fill 20% part of the same tank in 4 hours, whereas Tap C can alone empty a tank in ‘x’ hours. 2/5 part ...
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A tank can be filled by two pipes, A and B, in 15 minutes and 20 minutes, respectively. Both pipes are opened together, but after 5 minutes, pipe A is c...
There are 8 inlet and (x-4) outlet pipes attached to a tank. Each inlet pipe takes 24 hours to fill the tank, and each outlet pipe empties the fully fil...
Tap ‘A’ and tap ‘B’ can fill a tank in 40 hours and 36 hours, respectively. If both taps are opened together, then find the time after which tap...
Two pipes A and B can fill a tank in 24 min., and 32 min, respectively. If both the pipes are opened simultaneously, after how much time B should be clo...
Pipe ‘A’ and pipe ‘B’ can fill a cistern in 20 minutes and 18 minutes respectively. Pipe ‘C’ alone can empty the cistern in 12 minutes. If a...
