What mathematical symbol can be put between 5 and 9, to get a number bigger than 5 and smaller than 9?

A man is found hanging dead from the ceiling of a room. The room’s dimensions are 15 x 15 x 15. The man is only 6ft tall and the rope was only 2ft long. There are no windows and only one door to the room. The door is bolted shut from the inside, and a puddle of water is under the man. How did he kill himself?

A journalist was investigating a sacred cult in the jungles of Africa when he was caught by one of the person. He was confined in a cave till the leader arrived. The leader told him that he need to tell him a statement. If he thinks the statement is true, then the journalist head will be chopped off. If he thinks that the statement is false, his head will be smashed with a hammer.

What statement did the journalist make to survive?

Can you find the next number in the below sequence
3 , 7 , 10 , 11 , 12 , 17 ?

Count the squares in the matchstick puzzle below?

A certain street contains 100 buildings. They are numbered from 1 to 100. How many 9's are used in these numbers?

I have holes on the top and bottom. I have holes on my left and on my right. And I have holes in the middle, yet I still hold water. What am I?

Here is a mathematical expression that also secretly tells a movie name. What movie is that?

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 ?

Today, I celebrated my 32nd birthday but I was born in 1972.
How is this possible?