Can you find out the missing number?

? 4 5 3 5

9 5 7 10 3

An exterior architect is asked by a builder to plant seven trees in a manner that there are exactly six rows of trees in a straight line and each row has three trees in particular.

How will he do it?

The day after tomorrow will be three days before Tuesday. Can you find out what is today?

A man lives on the fifteenth floor of an apartment building. Every morning he takes the elevator down to the lobby and leaves the building. In the evening, he gets into the elevator, and, if there is someone else in the elevator, or if it was raining that day, he goes back to his floor directly. Otherwise, he goes to the tenth floor and walks up five flights of stairs to his apartment. Can you explain why he does this?

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

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

What Is It?

I have cities, but no houses. I have mountains, but no trees. I have water, but no fish. What am I?

Can you solve the maths in the below-given picture equation?

I have an eye but still cannot see.

Who am I?

Find out the missing number in the picture attached: