Give it food and it will live; give it water and it will die.

Look at the picture and find out which square is not linked with any of the other squares.

There are 2 people near the river and both of them want to get on the other side. The boat can only take one of them. But they got across.
How?

We have four gears with below features=> Both Gear A and D has 60 teeth=> Gear B has 40 teeth=> Gear C has 20 teeth=> Every two minutes, Gear B makes 25 full turns.What is the relative speed of Gear A and Gear B?

How is the moon similar to a dollar?

A guy in his thirties is found dead in a forest. The shocking thing about the body is that he is wearing his swimming trunks snorkel and a facemask.

For your information, the nearest lake is some 10 miles away and the sea is hundreds of miles away.

How did he die then?

When we see 2 but call 10?

What's the only room from which no one can enter or leave

Below is the sum of symbols in each row and column in the figure. Analyzing the figure, can you find out the value of the symbols?

How can you write nineteen in a manner that if we take out one, it becomes twenty?