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

Explain how?

There is an English word that can be used up to four times in a row without modifying the spelling and form a valid grammatical sentence.

Do you know what word is that?

You have a basket containing ten apples. You have ten friends, who each desire an apple. You give each of your friends one apple.
Now all your friends have one apple each, yet there is an apple remaining in the basket.
How?

The Little ant seems to be always confused. Do you know why?

A 52% bias toss for head using the 51% tail bias coin was done to obtain a fair result.

Can you find how bias is the floor in this case?

In the given figure, move three matchsticks so that the resulting figure contains two rectangles.

Spot the cat in the picture below

What kind of tree can you carry in your hand?

When is the top of a mountain similar to a savings account?

Replace the question mark with the correct number.