why number 8549176320 is one of a kind?

2, 3, 5, 9, 17, _ What is the next number in the sequence?

There are two candles. Both will only burn exactly for an hour. How will you use these two candles to measure forty-five minutes?

What two things can you never eat for breakfast?

Can you solve this picture maths equation?

A man had five children. He had $100 with him to give to his children. He decided to start with the youngest child and then give $2 more than each younger child to his next elder child.

For example, if he gives $x to the youngest child, he will give $(x+2) to the next one, $[(x+2) + 2] to the next one and so on.

Can you find out how much did the youngest one receive?

What is the next number in this series?

4,12,84,3612....

Four men were in a boat on the lake. The boat turns over, and all four men sink to the bottom of the lake, yet not a single man got wet! Why?

I am looking for a word that change both gender and number when i add the letter 'S'.

What Word am I Looking For ?

If a zookeeper had 100 pairs of animals in her zoo, and two pairs of babies are born for each one of the original animals, then (sadly) 23 animals don’t survive, how many animals do you have left in total?