Can you find out the missing number in the grid?

There are are five things wrong with this sentence; only geniuses will be able to to spot all of the mitstakes

John was working on a Chemical Mixture whose weight comprise 90% liquid and 10% solid. The total weight of the mixture is 20 pounds. After a while, John noticed that some of the liquid evaporated and now the liquid comprises just 50% of the weight.

What is the weight of the chemical mixture now?

No matter how little or how much you use me, you change me every month. What am I?

You walk into an old horror house. It has no power or plumbing. Once inside, you see three doors. Each door has a number on it. Behind each door is a way for you to die. Behind door number one, you die by getting eaten by a lion. Behind door number two, you die by getting murdered. Behind door number three, you die by an electric chair. You can’t turn back, so you have to go through a door. Which door do you go through?

I can write cow in 13 letters.

Can You?

I sleep during the day and fly at night, but I have no feathers to aid my flight. What am I?

Spot 5 differences in two Christmas tree below:

What kind of storm is always in a rush?

A couple went to a hill station to enjoy their vacation. They have 12 sons, and each has a wife who has 3 sons further.

How many people went to the hill station?