What you cannot hold but it is yours?

There is a brick of gold and a brick of iron in a boat (both 10-inch blocks), if they are both dropped into the water which will make the water level higher?

Two prisoners Jack and Jill are locked in a cell.
There is open window approx 40 feet above the ground of the cell.
They are never able to reach there.

Then they plan to escape by a tunnel and they start digging out.
After digging for more than 20 days, Jill comes with the different plan and they escaped.

what was the plan ?

Why is a river so rich ?

10 people came into a hotel with 9 rooms and each guest wanted his own room. The bellboy solved this problem.
He asked the tenth guest to wait for a little with the first guest in room number 1. So in the first room, there were two people. The bellboy took the third guest to room number 2, the fourth to number 3, ..., and the ninth guest to room number 8. Then he returned to room number 1 and took the tenth guest to room number 9, still vacant.
How can everybody have his own room?

In 1990, a person is 15 years old. In 1995, that same person is 10 years old. How can this be?

Find the 8 in the below-given Image.

This is a picture puzzle. You have to guess the name of the movie that can be related to the picture.

Find the next number in the sequence

5 12 24 36 ?

Find the Next Number in the Sequence

2 9 3 1 8 4 3 6 5 7 ?