When I get multiplied by any number, the sum of the figures in the product is always me. What am I?

Can you make numbers like 24, using numbers 3,3,7 & 7 with any arithmetic operator?

what does the below math rebus puzzle mean?

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?

I am looking for a word that change both gender and number when i add the letter 'S'.

What Word am I Looking For ?

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

Your job is to measure 45 minutes if you have only two cords and matches to light the cords.

1. The two cords are twisted from various materials, so their different segments can burn at different rates.
2. Each cord burns from end to end in exactly one hour.

Describe your way of measuring the 45 minutes.

There are people and strange monkeys on this island, and you can not tell who is who (Edit: until you understand what they said - see below). They speak either only the truth or only lies.
Who are the following two guys?
A: B is a lying monkey. I am human.
B: A is telling the truth.

A man was driving a black truck. His lights were not on. The moon was not out. A lady was crossing the street. How did the man see her?

Can you find out who is the kidnapper in below Picture and why, Explain ?