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Total balls = 6 + 5 + 4 = 15. The probability of drawing one red and one blue ball = P(Red and Blue) = (6C1 × 4C1) / 15C2 = (6 × 4) / (15 × 14 / 2) = 24 / 105 = 8/35. Correct Option: d
Two pipes, A and B, can independently fill the tank in 25 minutes and 30 minutes respectively, while pipe C can empty 8 gallons from the tank in 4 minut...
A tank is filled by three pipes A, B, and C. Pipe A can fill the tank in 12 hours, pipe B in 16 hours, and pipe C can empty the tank in 8 hours. If all ...
An inlet pipe can fill a tank in 18 minutes, while an outlet pipe can empty it in 27 minutes. Sujata starts the inlet pipe at 6 a.m., but the outlet pip...
Two pipes, A and B, can independently fill the tank in 18 minutes and 20 minutes respectively, while pipe C can empty 8 gallons from the tank in 3 minut...
If a tank can be filled by a tap in 12 hours, but due to an outlet, it actually takes 9 hours longer to fill the tank, find the duration in which the ou...
A tank is filled by 3 pipes, second pipe take 5 hours more than first pipe and 5 hours less than third pipe to fill the tank alone. If second and third ...
Two pipes P and Q can fill a tank in 48 minutes and 64 minutes respectively. If both the pipes are opened simultaneously, after how much time Q should b...
Pipe 'A' and pipe 'B', alone can fill a tank in 20 minutes and 30 minutes, respectively. Both the pipes were opened together to fill the tank, but later...
Tap A can fill a tank in 12 hours. Tap B can fill 12.5% part of the same tank in 2 hours, whereas Tap C can alone empty a tank in ‘x’ hours. 5/8 par...
A cistern has two pipes one can fill it with water in 24 hours and other can empty it in 9 hours. In how many hours will the cistern be emptied if both ...
