CAT Question on
Pipes and Cisterns - Work Time
A can complete a task 4 hours lesser time than B takes to complete the same. If A and B together can complete the task in 288 minutes, how long does B alone take to complete the task?

Ram and shyam have salaries that jointly amount to Rs. 10000. They spend the same amount monthly and then it is found that ratio of their savings is 600 %. What can be salary of Ram ?

D is the midpoint of the base BC of a triangle ABC. DM and DN are perpendiculars on AB and AC respectively. If DM = DN , THEN ABC IS WHAT KIND OF TRIANGLE?

D is the midpoint of the base BC of a triangle ABC. DM and DN are perpendiculars on AB and AC respectively. If DM = DN , THEN ABC IS WHAT KIND OF TRIANGLE?

A tank has two pipes one can fill it in 45 minutes and one can empty it in 60 minutes . If both pipes are opened in am alternate minute. Find the time taken to fill the tank