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?

This is a most unusual paragraph. How quickly can you find out what is so unusual about it? It looks so ordinary, you'd think nothing was wrong with it. Actually, nothing IS wrong with it. But it is not as ordinary as you might think. If you think about it for a bit, you will find out why it is truly so unusual. So what is it? What is so unordinary about this paragraph?

On my way to St. Ives I saw a man with 7 wives. Each wife had 7 sacks. Each sack had 7 cats. Each cat had 7 kittens. Kittens, cats, sacks, wives. How many were going to St. Ives?

John replied, when asked how old he was. In 2 years he will be twice as old as he was five years ago.' How old is he ?

A man escapes from jail using help from his girlfriend. The investigators suspect four girls of being the man's girlfriend.

Out of those four girls, one is his girlfriend who is lying. Two of the girls are completely innocent and are speaking the truth. One of the girls is the man's sister who is helping the girlfriend lie. Following are the statements from all four of them:

Ariana: "Myrna is his girlfriend."
Jane: "Angelina is lying."
Angelina: "Ariana is lying."
Myrna: "Jane is not his sister."

Can you find out who is the man's sister among them?

Which alphabet is a part of our body?

Can you decipher the two rows to find the hidden word?

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

How can you drop a raw egg from a height onto a concrete floor without cracking it?

What's the next in the series?

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