I am an odd number. Take away a letter and I become even. What number am I?

A plane crashed between the border of Mexico and America. Where do you bury the survivors?

There are are five things wrong with this sentence; only geniuses will be able to to spot all of the mitstakes

Name one eight-letter word with 'kst' in the middle, 'in' the beginning, 'and' at the end.?

Suppose that you are trapped on the surface of a frozen lake. The surface is so smooth and ideal that there is no friction at all. You cant make any grip on the ice and no wind is blowing to help you out. You have just a mobile phone with you which has got no reception disabling you to call for help.

How will you plan your escape before you freeze to death on the frozen lake?

As a whole I am both
safe and secure.

Behead me and I become
a place of meeting.

Behead me again and I am
the partner of ready.

Restore me, and I become
the domain of beasts.

What am I?

How will you measure 15 minutes using two hourglasses of 7 minutes and 11 minutes respectively?

How many triangles can you find in this given picture?

Solve below popular number sequence
314 159 265 358 979 323 846 ?

Before reading ahead, you must know the fact that only one of the people here is telling the truth.

A says that B is lying.
B says that C is lying.
C says both A and B are lying.

Can you find out who is speaking the truth?