Seven Robbers robbed a bank and hide the coins in a lonely place.
They decide to divide the money equally the next morning. Two greedy robbers decided to cheat the others and reach the place at night. They equally divided the coins between them, one coin left. So they called another robber and then they decided to divide equally among the three. Sadly again one coin left. The same thing happened to the 4th 5th and the 6th robber.
However, when the 7th robber reached in the morning, they can divide the coins equally.

How many coins were there in total?

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?

A seven-year-old kid challenged his classmates that he can make the number one disappear by adding something to it.

How can he do that?

What's the next in the series?

H, Be, F, S, Mn, Kr, In, Gd, Tl, ?

What have one eye but still cannot see?

What word is represented by this rebus?

why number 8549176320 is one of a kind?

Here is what you have to do. You have to throw a ball as hard as you can but it must return back to you even if it does not bounce at anything. Also, you have nothing attached to the ball. There is no one on the other end to catch that ball and throw it back at you.

How will you do it?

Find the next number in the following series:
6, 14, 26, 98, __?

What do you call a fish without an eye?