I look at you, you look at me I raise my right, you raise your left. What am I?

Two boys were admitted to a school. When the headmaster asks them about their parents, they tell him that they have same parents (father and mother). On further inquiry, it turns out that they both share the same date for their birthday.

"Are you twins," ask the headmaster.
"No," replies the boys.

Is it possible?

I have Rs.50 and I spend it in the way as below.

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

Can anyone tell me a word in the English dictionary which has a silent 'z'?

What does below rebus means ?

What are the next two letters in the following series and why?
W A T N T L I T F S _ _

*Hint: Check Puzzle Title

You bought me for dinner but never eat me. What am I?

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?

In which direction should the missing arrow point?