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?

2, 3, 5, 9, 17, _ What is the next number in the sequence?

Can you spot the man between the coffee bean in the picture below ?

People put me on the table and cut me but do not eat me. What am I?

Two in a corner, one in a room, zero in a house, but one in a shelter. What am I?

There are two candles. Both will only burn exactly for an hour. How will you use these two candles to measure forty-five minutes?

Replace the 'X' with any mathematical symbol to make the expression equal to 111.

18 X 12 X 2 X 3 = 111

I am white when I am dirty, and black when I am clean. What am I?

What is always in front of you but can’t be seen?

A boy and a girl are sitting on the porch.
"I'm a boy," says the child with black hair.
"I'm a girl," says the child with red hair.
If at least one of them is lying, who is which?