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

How could a baby fall out of a twenty-story building onto the ground and live?

Can you name an animal whose killing cannot be performed without spilling your own blood?

A bridge is about to collapse. There are four people P, Q, R and S on one of the sides. Before the bridge collapses, they want to cross it. Now since the bridge is too weak, it can only stand the weight of two people at a time. Also, it is night time and nothing is visible. They have just one torch with them.

Now P takes one minute to cross the bridge, Q takes two minutes to cross, R takes five minutes to cross and S takes ten minutes to cross.

The bridge will collapse in seventeen minutes. How will they be able to cross the bridge before it collapses?

What type of tree can I carry in my hand?

Take away my first letter, then take away my second letter. Then take away the rest of my letters, yet I remain the same. What am I?

Here is what you have to do. You have to throw a ball as hard as you can but it must return back to you even if it does not bounce at anything. Also, you have nothing attached to the ball. There is no one on the other end to catch that ball and throw it back at you.

How will you do it?

Prove that the below maths equation is true.

8 + 8 = 91

What does does this rebus picture means ?

What is common among 11, 69, and 88?