For the following questions answer them individually
Two pipes can fill a tank in 30 minutes and 60 minutes respectively. Another pipe at the bottom will empty it in 120 minutes. If all the pipes are open, in what time will the tank get filled?
Read the following information carefully and answer the question given below.
Seven persons—A, B, C, D, E, F and G are sitting along a circle facing the centre. A is between G and D. C is second to the right of D and is between B and F. B is not the neighbour of E.
Who among the following sits fourth to the right of A?
In a certain code, 'MAN' is written as 'SANM', and 'WORD' is written as 'SORDW'. How would 'SALE' be written in that code?