In the given figure, you can see that four match sticks are used to form a square. Can you form five squares by using six matches?

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:

I have nine bottles of wine and one of the nine bottles is poisoned.
I need to find the poisoned bottle with two facts
(1) Poison is deadly, only a sip will cost death
(2) I have two mice to do so.

How should I do it?

Prove that the below maths equation is true.

8 + 8 = 91

Can you find the missing letter in the sequence?
S - T - I - L - ? - T - F - Y - C

One night, a man runs away from home. He turns left and keeps running. After some time he turns left again and keeps running. Later, he turns left one more time and runs back home—but when he gets home, he finds a man in a mask. Who was the man in the mask?

A boy was at a carnival and went to a booth where a man said to the boy, "If I write your exact weight on this piece of paper then you have to give me $50, but if I cannot, I will pay you $50." The boy looked around and saw no scale so he agrees, thinking no matter what the carny writes he'll just say he weighs more or less. In the end the boy ended up paying the man $50. How did the man win the bet?

A man who was outside in the rain without an umbrella or hat didn’t get a single hair on his head wet. Why?

Can you find the next number in the below sequence
3 , 7 , 10 , 11 , 12 , 17 ?

What is the centre of gravity?