Christina has four daughters, and each of her daughters has a brother. How many children does Christina have?

A brand new Mobile Phone was on sale at 20% as a promotional offer. By what per cent must the Mobile price be increased to sell it at the original price again?

A man who was outside in the rain without an umbrella or hat didn’t get a single hair on his head wet. Why?

A boy was at a carnival and went to a booth where a man said to the boy, "If I write your exact weight on this piece of paper then you have to give me $50, but if I cannot, I will pay you $50." The boy looked around and saw no scale so he agrees, thinking no matter what the carny writes he'll just say he weighs more or less. In the end the boy ended up paying the man $50. How did the man win the bet?

Take one out and scratch my head, I am now black but once was red. What am I?

How can you make the following equation true by drawing only one straight line: 5+5+5=550 ?

In the below-given picture of a pretty girl, there is something wrong. Can you find out what it is?

Solve this riddle by finding the odd one out from the rest.

There is a wide field of corn. A goose finds its way into the field and starts running. Can you find out till which point the goose can run into the field?

Next Number in the Series,

5, 16, 49, 104, ?