Rs.6200 divided into three parts proportional to $\frac{1}{2}:\frac{1}{3}:\frac{1}{5}$, are respectively

1 There are three taps A, B and C in a tank. They can fill the tank in 25 hrs, 20 hrs and 10 hrs respectively. At first all of them are opened simultaneously. Then after 1 hrs, tap C is closed and tap A and B are kept running. After the 4th hour, tap B is a 2 Direction: There are nine members in a family. There are three married couple. A who is married to B does not have any son like G. G is the only sibling of I who is son in law of B. F is married to brother of H’s husband. G is father of E and D. A i 3 A and B can complete a piece of work in 80 and 120 days respectively. They together start the work but A left after 20 days. After another 12 days C joined B and now they complete the work in 28 more days. In how many days C can complete the work, working 4 S, T and U can complete a work in 40, 48 and 60 days respectively. They received Rs 10800 to complete the work. They begin the work together but T left 2 days before the completion of the work and U left 5 days before the completion of the work. S has com 5 P, Q, R, S, T, V and W were travelling in three different vehicles. There are at least two passengers in each vehicle-I, II and III and one of them is a lady. There are two engineers, two doctors and three teachers among them. R is a lady doctor and she d