Why Aeroplane windows are round?

How many Watermelons are there in the below picture?

Remove two matchsticks to make the below equation correct.

In the below-given picture of a pretty girl, there is something wrong. Can you find out what it is?

Cristina leaves home and then she makes exactly 3 left turns and returns home where she found 2 girls wearing the mask.

Who are these two masked girls?

If you say my name, I will no longer exist. What am I?

You Throw The Outside, Cook The Inside
Eat The Outside, Throw The Inside.

What Is It?

A person was found dead on a big green land with no trees or buildings around. When the police arrived, they found a piece of rock lying next to him and the man was wearing clothes comprising of red, blue and yellow colours.

Can you tell who the person is and what was the cause of death?

A girl rode into a tourist spot out of the city on Thursday. She loved the place and decided to stay for a few days. She stayed for four days and then she left for back home on Thursday.

How can this be possible?

Given that

(78)^9 = 6
And (69)^4 = 11

Can you find out

(99)^2 =?

(Note: This is Logical, not Mathematical)