A large container is kept in open under the rain. Every passing hour, the water collected inside the container becomes double what it was.

In ten hours, the container is filled completely. Can you calculate how long would it have taken to be filled in half?

What does this rebus means ?

PROG WORKRESS

It comprises roots which nobody sees,
Much taller than those trees,
Up and up it goes,
Still it never grows?

What has six faces, but does not wear makeup, has twenty-one eyes, but cannot see? What is it?

What does the below image rebus riddle means ?

You need to move three matchsticks to form three squares. Can you do it?

What is wrong in the below Picture?

Can you arrange four 9's and use at most 2 math symbols, to make the total 100?

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?

Which letter of the alphabet has the most water?