There are 2 sand hourglasses.

The small one can measure 5 hours and the large one can measure 7 hours.

How can we measure 16 hours with 2 sand hourglasses running together ?

Can you find the key in the picture below?

At a party, there are five people and a whole round cake lying at the centre of the table. Only four people will make a cut and take their piece and the last one will get the remaining piece on the table. How can they make sure that everyone gets a 1/5th of the piece?

Take one out and scratch my head, I am now black but once was red. What am I?

John and Jacob are twin brothers. One of them is a liar whereas the other one is a truth-teller.

I called their home number and one of them picked up.
I asked. 'Does John lie?' The person replied with a yes.

Whom did I talk with, John or Jacob?

Which is the smallest number that you can write using all the vowels exactly once?

How is a fly different from a mosquito?

I was speeding and ran through a stop sign, yet two traffic officers who were there do nothing about it.

why?

Can you Find and name the hidden bird in the picture below ?

I can be cracked, made, told, and played. What am I?