10+10 and 11+11 can give you the same answer.

Explain how?

If two fifty-foot ropes are suspended from a forty-foot ceiling that is twenty feet apart, how much rope will you be able to steal if you have a knife?

What phrase is represented by the Rebus

What does below pictogram mean?

Can you find the hidden animal in the picture below?

Before Balboa discovered the Pacific Ocean, which was the largest ocean before that?

I always drive my customer away.

Who am I?

I am the fastest animal but cannot climb the tree. What am I?

What does Alexander the Great and Winnie the Pooh have in common?

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?