What can you deduce from the following BrainBat?

CRY
LMKI

I add 5 to 9 and get 2. The answer is correct, so what am I?

You have a three-gallon and a five-gallon measuring device. You wish to measure out four gallons.

An evil man kidnapped someone and made them take one of two pills. One was harmless, but the other was poisonous. Whichever pill the victim took, the kidnapper took the other one. The victim took their pill with water and died. The kidnapper survived. How did the kidnapper get the harmless pill?

I have lakes with no water, mountains with no stone and cities with no buildings. What am I?

Find the mistake in the below maths equations

A = 2
A(A-1) = 2(A-1)
A2-A = 2A-2
A2-2A = A-2
A(A-2) = A-2
A = 1

All Marigolds are flowers.
Few Flowers are used to make colors.
Therefore, some Marigold are used to make colors.

True Or False?

No one wants to have it, but if one got it, he does not want to lose it. What is It?

In the image below, can you find the value of an angle(y)

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