I can write cow in 13 letters.

Can You?

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?

I am a type of room you cannot enter or leave. Raised from the ground below, I could be poisonous or a delicious treat. What am I?

I am not alive, but I grow; I don't have lungs, but I need air; I don't have a mouth, but water kills me. What am I?

John said, "If yesterday was tomorrow, today would be Friday."

When did John make this statement?

Solve The below Equation:

ALFA + BETA + GAMA = DELTA

What does a man do only once in his lifetime, but women do once a year after they are 29?

How many minutes are there in Feb 2017?

Note: The shortest answer is the correct answer.

I am green and found in the forest and have needles instead of leaves. What am I?
Hint 1: It can be used for Christmas decorations.
Hint 2: I have a strong, scent that is used in air fresheners.

Find the next number in the sequence

1, 2, 6, 21, 88, __?