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?

When a clock is observed, the hour hand is at a minute mark and the minutes hand is six minutes ahead of it.

When the clock is observed again after some time, the hour hand is precisely on a different minute mark and the minute hand is seven minutes ahead of it.

Can you calculate how much time has elapsed between the two observations?

One day, John and his friends were playing around. Jacob hit something with a Pin and it popped. John's dad came into the room that very moment, but he wasn't mad. In fact, he was smiling. What did Jacob hit?

If 1+9+8=1, what is 2+8+9?

Before Mount Everest was discovered, what was the highest mountain in the world?

Using Only Five 5's and any mathematical operator make sum as 37

What can run but never walks, has a mouth but never talks, has a head but never weeps, has a bed but never sleeps?

How do you go from 98 to 720 using just one letter?

What kind of tree can you carry in your hand?

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

What Word am I Looking For ?