There are nine dots in the picture that has been attached with this question. Can you join all the dots by drawing four straight lines without picking up your pen?

How can you make the following equation true by drawing only one straight line: 5+5+5=550 ?

What four weights can be used to balance from 1 to 30 pounds?

If 5 cats catch 5 mice in 5 minutes, how long will it take one cat to catch a mouse?

You walk into a room where there are three primates held in their respective cages:
1) A lion who is eating the flesh of a goat.
2) An orangutan who is playing with blocks.
3) A donkey who is sitting idle.

Who is the most intelligent primate in the room?

The measurement of time, That can't be found on a clock, But can be looked upon on a map.

Who is He ?

John has eleven friends. He has a bowl containing eleven apples. Now He wants to divide the eleven apples among his friends, in such a way that an apple should remain in his bowl.
How can He do it?

You’ll find me on Mercury, Earth, Mars, Jupiter, Saturn, and Uranus. But never Neptune, or Venus. What am I?

I have feet, but no legs. Which animal Am I?

What comes
Once in a Year
Twice in a Month
4 times in a Week
6 times in a Day