For the following questions answer them individually
If 1/7 of a number is subtracted from the number, the result is 30 less than the number. Find the number.
Read the following information carefully and answer the question given below.
Eight friends—A, B, C, D, E, F, G and H are sitting around a circular table for a meeting facing center. A is second to the right of G who is third to the right of B. D is second to the left of F who sits between G and A. C is not a neighbour of B or E.
Who is to the immediate left of B?
Choose the correct order of signs from the options so as to make the equation correct.18 - 5 x 50 = 40
P, Q, R and S can do a piece of work in 20 days. If P and Q together can do it in 50 days, and R alone in 60 days, then in how many days can S alone do it?