How many words can a pen with half refill write?

What have one eye but still cannot see?

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

A journalist was investigating a sacred cult in the jungles of Africa when he was caught by one of the person. He was confined in a cave till the leader arrived. The leader told him that he need to tell him a statement. If he thinks the statement is true, then the journalist head will be chopped off. If he thinks that the statement is false, his head will be smashed with a hammer.

What statement did the journalist make to survive?

Can you think of any three-dimensional shape that comprises of exactly two surfaces?

Find the next number in the sequence

1, 2, 6, 21, 88, __?

What 8 letter word can have a letter taken away and it still makes a word. Take another letter away and it still makes a word. Keep on doing that until you have one letter left. What is the word?

If,

A + B = C
D - C = A
E - B = C

Based on the above equations, find out the answer for:

D + F = ?

Can it be possible to build a house that has all its four walls facing towards the South?

What word is identified by the below rebus?

Your Your Your Your Your
Your Your Your Your Your