What has hands, but can’t clap?

A mathematician couple was having a Frappuccino in Starbucks sitting opposite to each other. Suddenly the guy noticed the text written on the paper in front of them and exclaimed that it was wrong. The girl denied it and said it is appropriate. Both are correct. What is written on the paper?

Solve the equation in the image by looking at the pattern closely.

Which Travels Faster? Solve below famous picture riddle:

Can you think of a smallest +ve number such that if we shuffle the digits of the number, the new number becomes double the original number?

Jack have ten pairs of black socks, eight pairs of white socks and seven pairs of green socks. Everything is mixed in a draw. As there is no light he were not able to identify the colour of the socks. How many of the socks did he want to take to match one pair

I came first on earth but second on the heaven.
I also came twice in a week but found just once in a year.
I stay away from months but you can find me in February.

What am I?

A man wants to cross the pit of fire which is 25 feet in length and he has 2 planks(fire resistant) 19 feet in length. How can he cross the pit of fire alive?

A bomb goes off.
Carnage.
One person, only a few feet away, survives! How can this be?

How many Watermelons are there in the below picture?