What will be the total surface area of a triangular

Among A, B, C, D and E, seated in a straight line, facing North, who sits exactly in the middle of the line?

There are seven members in a family. Who is the father-in-law of F?

What is the speed of the train?

I. The train crosses the signal pole in 6 seconds.

The question below consists of two statements 1 and 2. Decide whether the facts provided in the statements are sufficient to answer the question.

In which direction is point E with respect to G? Statements:

I. F is in the north of G and E is in the west of F.

Six persons J, K, L, M, N and O are sitting in a row facing north. Who among the following sits at the extreme left end?

How is P related to B?

I. Z is father of A and brother of B

II. P is daughter of D, who is mother of A

Among P, Q, R, S, T and U, each has a different height. Who is the smallest?

I. P is not the shortest. R is taller than S but shorter than P.

In a row of twelve persons are facing north how many person sits between W and N?