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 ?

People make me, save me, change me, raise me. What am I?

Can you identify if it's a murder or a suicide ?

Can you find out which triangle will have a bigger area among the following?
1. A triangle with sides 300, 400 and 500
2. A triangle with sides 300, 400 and 700

A number can be multiplied by multiple of nine
i.e 9 18 27 36 45 ...

and the resulting number consist of only one digit.

Can you identify the number ?

Decode the below four famous ciphers:

8P of the SS
1M of the E
1S of the SS
60M in 1H

This is a classy optical illusion puzzle. What more you can find except bricks in the image below?

Which is the correct shadow of the bird?

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

You can hear me, but you can't touch or see me.

What am I?