What does this rebus mean?

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Which Travels Faster? Solve below famous picture riddle:

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?

A woman named Maria was at the funeral of her mother. She met a nice young man that she had never seen before and after the service, they spent a bit of time together. Then she got busy and didn’t get his name or phone number before he left. She tried to find him, but no one knew who he was or how to contact him. A few weeks later, Maria’s older sister dies and the police suspect murder. Who killed the sister?

Can you replace the X (both small and big x) with the numbers between 1 to 19 such that all the rows of 3 numbers between X (big x) sum to 23?

How many times in a given day, minutes and hour clock comes in a straight line ?

That attorney is my brother, testified the accountant.

But the attorney testified he didn't have a brother.

Who is lying?

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

What is the fastest way to double your money?

A little girl goes to the store and buys one dozen eggs. As she is going home, all but three break. How many eggs are left unbroken?