What four weights can be used to balance from 1 to 30 pounds?

2, 3, 5, 9, 17, _ What is the next number in the sequence?

A plane crashed between the border of Mexico and America. Where do you bury the survivors?

What runs around the whole yard without moving?

What three numbers, none of which is zero, give the same result whether they’re added or multiplied?

What do you answer even though it never asks you questions?

I can write cow in 13 letters.

Can You?

A dead body is found outside a multi-story multinational company. The case is reported and a homicide detective is called on the crime scene.

He looks at the body and then towards the building. From the position of the body, it is evident that the victim committed suicide. He goes to the first floor of the building and then walks in the direction of the dead body, opens the window and toss a coin in the air.

He goes to second floor and again repeats the process. He keeps doing this till he is done on all the floors. Then he returns back to the floor and tells his team that it is a murder.

How in heaven did he deduce that?

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?

A mother bought three dress for her triplets daughters(one for each) and put the dresses in the dark. One by one the girls come and pick a dress.
What is the probability that no girl will choose her own dress?