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 ?

By what process could you make a 'Tea-Table' into food?

What has 88 keys?

There are 2 people near the river and both of them want to get on the other side. The boat can only take one of them. But they got across.
How?

If,

20 % 5 = 24

21 % 7 = 33

42 % 6 = 67

Then;

66 % 6 = ?

By moving exactly three matchsticks can you make the below equation true.It can be solved by 3 ways.

Can you make a six-letter word using the letters N, A and B ?

I got a bee but no honey.
got an eye but am still blind.
got a sea but no water.
got a tea but no coffee.
got a why but no answer.

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?

Place the numbers from 1 to 9 in the circles in a manner that each side of the triangle sums up to 17.