Alzeihmars disease affects the brain of a person. A progressive disease that destroys memory and other important mental functions. Polio affects the walking ability of a person. HIV AIDS affect the immune system of a person suffering from AIDS. Hepatitis A is a highly contagious liver infection caused by the hepatitis A virus. Hence, option A is correct.
Pipe ‘A’ can fill a tank in 25 hours whereas leak ‘A’ can empty it in 30 hours. If they both operate along with pipe ‘B’, then the given tan...
Vikas and Vishal can do a job in 7 days and 14 days respectively. They began the work together but 4 days before the completion of job, Vikas le...
A tank can be filled by a tap in 10 minutes and by another tap in 30 minutes. Both the taps are kept open for 5 minutes and then the first tap is shut o...
Pipe ‘A’ can fill a tank in 20 hours while pipe ‘B’ takes 40 hours to empty it. Pipe ‘A’ is opened alone when the tank was empty and after 1...
Pipe ‘A’ can fill a tank in 20 hours whereas leak ‘A’ can empty it in 30 hours. If they both operate along with pipe ‘B’, then the given tan...
Pipe ‘A’ can fill a tank in 25 hours while pipe ‘B’ can empty it in 30 hours. They were operated on alternate hours starting with pipe ‘A’. ...
Time taken by a tap to fill a tank is 8 hours. If the time taken by tap to fill the tank gets doubled due to a leakage in the tank, then find the time t...
Pipe ‘A’ and pipe ‘B’ can fill a cistern in 30 minutes and 10 minutes respectively. Pipe ‘C’ alone can empty the cistern in 12 minutes. If a...
Together, the three intake pipes, "P," "Q," and "R," can fill a water tank in eight hours. While the three pipes are opened simultaneously, pipe "Q" clo...
Pipe ‘A’ takes 25 minutes to fill a tank. Pipe ‘B’ takes 40 minutes to empty the same tank. If pipe ‘B’ is opened 16 minutes after pipe ‘A...
