Can you place six X (crosses) in below board without making three in a row in any way ?

What begins with T, ends with T, and has T in it?

O_er_t_o_

Complete the missing letters of the given word.

An artist while painting a scenic beauty, decides to paint three layers of blue colour on the sky.

Which layer will go on the first?

In 1990, a person is 15 years old. In 1995, that same person is 10 years old. How can this be?

John can fit six large chocolate boxes or nine small chocolate boxes into a carton. How many cartons will he require to put sixty-six chocolate boxes into?

Move four matchsticks to the below square to form three squares?

P is the father of Q and S is the son of R. T is the brother of P and has a daughter U. If R is the sister of P, then what is the relation between U, Q and S?

You have to put a letter on the following to make it a meaningful word. The only challenge is that you can't use 'E'.

S E Q U E N C _

We are a group of eight brothers. We consider the weak, yet we protect the king in every battle. If we move ahead, we never turn back. Who are we?