10+10 and 11+11 can give you the same answer.

Explain how?

I am the black child of a white father, a wingless bird, flying even to the clouds of heaven. I give birth to tears of mourning in pupils that meet me, even though there is no cause for grief, and at once on my birth, I am dissolved into air. What am I?

What does below Rebus say?

XLR8

What does the below rebus puzzle mean?

Can you solve the below algebraic mathematical equation?

(J+O+I+N+T)3 = JOINT

There are five vowels (a, e, i, o, u) in the English language.
Can you tell us a word that contains all these vowels?

You walk into a creepy house by yourself. There is no electricity, plumbing, or ventilation. Inside you notice 3 doors with numbers on them. Once you open the doors you will die a particular way. Door No.1 You’ll be eaten by a lion who is hungry. Door No.2 You’ll be stabbed to death. Door No.3 There is an electric chair waiting for you. Which door do you pick?

By moving exactly three matchsticks can you make the below equation true.It can be solved by 3 ways.

A shepherd had 18 sheep, out of which, all but ten died.

Can you tell us how many sheep was he left with?

There are people and strange monkeys on this island, and you can not tell who is who (Edit: until you understand what they said - see below). They speak either only the truth or only lies.
Who are the following two guys?
A: B is a lying monkey. I am human.
B: A is telling the truth.