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

The Little ant seems to be always confused. Do you know why?

Cristina leaves home and then she makes exactly 3 left turns and returns home where she found 2 girls wearing the mask.

Who are these two masked girls?

If there are fifteen crows on a fence and the farmer shoots a third of them, how many crows are left?

Use only one mathematical symbol and all numbers (0-9) to get a sum of 99

The day after tomorrow will be three days before Tuesday. Can you find out what is today?

I have Rs.50 and I spend it in the way as below.

It walks on 4 when its young, walks on 2 when it's older, and walks on 3 when its very old?

How can you write nineteen in a manner that if we take out one, it becomes twenty?

A boy purchased a book from a bookkeeper and gave him $100.
The cost of the book is $50 but the bookkeeper has no change, so he gets the change from the next shop and returns the boy his $50.

After some time the next shopkeeper came with the $100 note and told the bookkeeper that the note was a fraud, so he took the money back.

How much loss did the bookkeeper face?