Why Aeroplane windows are round?

That attorney is my brother, testified the accountant.

But the attorney testified he didn't have a brother.

Who is lying?

While handling a project, the landscaper is asked by the owner of the mansion that he wants four trees in front of his mansion that are exactly equidistant from each other.

How will he do it?

What has many teeth, but cannot bite?

What's the best place to go shopping in the ocean?

Find three whole, positive numbers that have the same answer when multiplied together as when added together.

There is a square of a particular number which when doubled, becomes 7 more than its quarter.

Can you find the number?

Alex opened 24 presents
Jonah opened 8 presents
Clara opened 1 present

Can you find out how many presents were opened by Candy?

Can you discover the missing number in this series?

37, 10, 82
29, 11, 47
96, 15, 87
42, ?, 15

You are confined in a room and given two metal rods. Out of these two rods, one is magnet and the other is the iron rod. They look starkly similar. You don't have any other metal object in the room.

How will you decide which one of those is magnet?