K and L started a business by investing Rs. (q + 900) and Rs. (3q - 1800), respectively. If K's profit share was Rs.27,000 out of a total profit of Rs.63,000, then find the amount invested by 'L'.

Statements: K ≤ L, L = M, M < N

Conclusion: I. N > L II. M ≥ K

Seven boxes viz. S, T, U, V, W, X and Y are kept one above other in the form of stack. How many boxes are kept above box W?

Six persons D, E, F, G, H, and I stand in a queue according to their weight. Who among the following is just heavier than D?

Which among the six boxes viz. A, B, C, D , E and F is the smallest?

I. B is bigger than E and F and equal to D.

Seven boxes viz. J, K, L, M, N, O and P are kept one above other. How many boxes are kept below box P?