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

You can take four of the five letters out of this word, but the pronunciation never changes. What is the word?

Prove that twice of ten is the same as twice of eleven.

All of Jacob's shoes are red except two.
All of Jacob's shoes are green except two.
All of Jacob's shoes are yellow except two.

How many shoes does Jacob have?

You are given 2 eggs.
You have access to a 100-storey building.
Eggs can be very hard or very fragile means it may break if dropped from the first floor or may not even break if dropped from 100th floor, Both eggs are identical.
You need to figure out the highest floor of a 100-storey building an egg can be dropped without breaking.
Now the question is how many drops you need to make. You are allowed to break 2 eggs in the process

There once were seven dwarfs who were all brothers. They were all born two years apart. The youngest dwarf is seven years old. How old is his oldest brother?

I travel all around the world but always stay in the corner. What am I?

What has six faces, but does not wear makeup, has twenty-one eyes, but cannot see?

What does the following represent?

N N N N N N N

A A A A A A A

C C C C C C C

In a box, there is a jumble of 7 red balls, 6 blue balls, 5 green balls, and 4 yellow balls. What is the minimum number of balls, will you have to pick up so that you have at least 4 balls of the same colour?