Which sea does not have a coast?

Where is Port Blair located?

By what other names are the cold deserts of the world known?

There is a dispute between India and Sri Lanka over which island?

In which of the following forms most of the world's rainfall occurs?

Which number will come in place of question mark in the following number series?
4,7, 12, 21 , 38,?

A triangular sheet of paper is folded and cut as shown below in the question figures. Choose among the following four answer figures, how it will appear when open?

Find the number of triangles in the given figure.