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?

What is the difference between a jeweller and a jailer?

Baseball bat and ball cost $100. If the bat cost $99 more than the ball, what is the cost of each?

A famous swimmer can swim downstream in a lake in exactly 40 minutes with the lake current.
He can swim upstream in that lake in exactly 60 minutes against the lake current.
The length of the lake is 2 km.

How long he can cover the distance of one side at a still lake with no current?

I have cities, but no houses. I have mountains, but no trees. I have water, but no fish. What am I?

When it is alive we sing, when it is dead we clap our hands. What is it?

What four weights can be used to balance from 1 to 30 pounds?

Decode below rebus
D
N
A
T
S , D

A bomb goes off.
Carnage.
One person, only a few feet away, survives! How can this be?

What animal walks on four legs in the morning, two legs during the day, and three legs in the evening?

Oedipus, the king of Thebes, figured out the answer to the riddle: