For the following questions answer them individually
P, Q and R can do some work in 11 days, 20 days and 55 days respectively. In how many days can the work be done, if P gets the assistance of Q and R on alternate days?
Eight colleagues—J, K, L, M, N, O, P and Q are sitting around a circular table facing the center but not necessarily in the same order. Each one of them holds a different post—Inspector, Accountant, Clerk, Goods guard, Safaiwala, Trackman, Pilot and Fireman.
J sits third to the right of the Fireman, and only two people sit between the Fireman and Q. The Safaiwala and the Accountant are immediate neighbours. Neither J nor Q is a Safaiwala or an Accountant. The Safaiwala is not an immediate neighbour of the Fireman. The Inspector sits second to the left of N. N is not an immediate neighbour of Q. The Inspector is an immediate neighbour of both the Trackman and the Pilot. The Pilot sits third to the right of K. K is not the Safaiwala. L sits to the immediate right of the Clerk. J is not the Clerk. O is not an immediate neighbour of J. P is not an immediate neighbour of the Inspector.
In the given figure the circle represnts mother,and the triangles reprsents women and the square represents sister. which region represents the person who are mother and sisters but not women?