How many people must be gathered together in a room, before you can be certain that there is a greater than 50/50 chance that at least two of them have the same birthday?

John is the son of Jacob.
So,
Jacob is the_____of John's father?

John has eleven friends. He has a bowl containing eleven apples. Now He wants to divide the eleven apples among his friends, in such a way that an apple should remain in his bowl.
How can He do it?

Place a mathematical symbol between the numerals 5 and 9 in such a way that the resulting number is greater than 5 but smaller than 9.

What kind of band never plays music?

Can you replace the question mark with the correct number?

If in a car race, the man who came two places in front of the last man finished one ahead of the man who came fifth, how many contestants were there?

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

Can you name any English verb that becomes its past tense by simply rearranging the alphabets ?

You see a mathematical expression in the picture. Can you think of a movie that this expression refers to?