In the four images below, can you find the odd one out?

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?

What has lots of eyes, but can’t see?

You need to move three matchsticks to form three squares. Can you do it?

I’m tall when I’m young, and I’m short when I’m old. What am I?

Can you find the least possible number such that

If the number is divided by 3, it gives the remainder of 1;
If the number is divided by 4, it gives the remainder of 2;
If the number is divided by 5, it gives the remainder of 3;
If the number is divided by 6, it gives the remainder of 4.

I come in different shapes and sizes.
Parts of me are curved, other parts are straight.
You can put me anywhere you like,
but there is only one right place for me.
What am I?

A bomb goes off.
Carnage.
One person, only a few feet away, survives! How can this be?

A maths symbol is hidden in the below Bar Graph. Can you decipher it?

A man was driving a black truck. His lights were not on. The moon was not out. A lady was crossing the street. How did the man see her?