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

There are nine dots in the picture that has been attached with this question. Can you join all the dots by drawing four straight lines without picking up your pen?

In a competitive exam, each correct answer could win you 10 points and each wrong answer could lose you 5 points. You sat in the exam and answered all the 20 questions, which were given in the exam.
When you checked the result, you scored 125 marks on the test.

Can you calculate how many answers given by you were wrong?

If your uncle’s sister is not your aunt, what relation is she to you?

There are forty elephants and they have forty-fore heads. How can this be possible?

What is greater than gold but cannot be bought. it can never be sold and can earn if its sought. though it can be broken, it can still be fixed. for by birth it can't start nor by death it is ended.what am i?

What is more useful when it is broken?

A man dies of old age on his 25 birthday. How is this possible?

What do you see in the image below

Why did the Girl throw the butter out of the window?