Can you make a six-letter word using the letters N, A and B ?

How many points are there on the globe where, by walking one mile south, then one mile east and then one mile north, you would reach the place where you started?

Which is heavier: a ton of bricks or a ton of feathers?

What has no start, end, or centre?

I have no doors but I have keys, I have no rooms but I have space, you can enter but you can’t leave! What am I?

How many cubic feet of dirt are in a hole of one foot deep, three feet long, and two feet wide?

There are five vowels (a, e, i, o, u) in the English language.
Can you tell us a word that contains all these vowels?

By moving just one matchstick, you need to make the below statement true. Can you do it?

It's a test that will check your IQ.

Suppose you have one 11 minute hourglass and one 13 minute hourglass.

Can you measure exactly fifteen minutes using them ?

You have three orange, two pink and five purple balls in the drawer beside your bed. There is no electricity and the room is entirely dark. How many balls must you take out to ensure at least one ball of each colour at least?