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Start learning 50% faster. Sign in nowThe 15th International Olympiad on Astronomy and Astrophysics (IOAA) 2022 was held in Georgia, from August 14 to 21, 2022.The IOAA aims to promote the growing interest of students in Astronomy and related STEM subjects.The Indian contingent bagged three gold medals and two silver medals.
Pipe ‘A’ can fill a tank in 40 hours whereas leak ‘A’ can empty it in 50 hours. If they both operate along with pipe ‘B’, then the given tan...
Two inlet pipes M and N alone can fill a tank in 10 hours and 12 hours respectively and an outlet pipe P alone can empty the whole tank in 8 hours. Firs...
There are two pipes A & B, pipe A is for filling the swimming pool and pipe B is to empty the swimming pool. Capacity of swimming pool is 15120 m3<...
Two pipes P and Q can fill tank A in 36 minutes and 72 minutes respectively and empty pipe M can empty the tank in 54 minutes. Tank A has the capacity o...
Pipe A alone fill the tank in x hours and Pipe B alone fill the tank in (x – 8) hours. If the efficiency of pipe B is triple of pipe A and pipe A fill...
If a tank can be filled by a tap in 10 hours, but due to an outlet, it actually takes 5 hours longer to fill the tank, find the duration in which the o...
Tap A and Tap B fill a drum of volume 475 liters in 19 minutes. If their efficiencies are in the ratio x:y respectively and B alone takes to fill the ci...
Pipe A can fill a tank in 12 hours and pipe B takes 18 hours to fill it. Both pipes were open together and a leak was spotted which increased the fillin...
Pipe A and B can fill the pool in 30 minutes and 20 minutes, respectively. Pipe C can empty half filled pool in 30 minutes. If all the pipes are opened ...
A single tap takes 8 hours to fill the entire tank. Initially, only one tap is open, and it fills one-fourth of the tank. At that point, three additiona...
