I have teeth but i don't bite. Who Am I ?

Prove that the below maths equation is true.

8 + 8 = 91

A father's child, a mother's child, yet no one's son.

Who am I?

You have 10 balls with you. A friend of yours out of nowhere asks you to place those ten balls in five lines such that each of the lines has exactly 4 balls on them. He needs to check your intelligence. Prove him by doing the task.

What word is identified by the below rebus?

Your Your Your Your Your
Your Your Your Your Your

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

You need to pick one entry from pot A and one from pot B to have a perfect match. Can you do it?

Why are all black people so quick ?

In the given picture, you can find two letters missing. When two particular letters are placed in the missing spots, you get an eight-letter word while reading in the anti-clockwise direction. Can you find out the missing letters and the missing word eventually?

Three doctors said that Bill was their brother. Bill says he has no brothers. How many brothers does Bill actually have?