What is both possible and impossible at the same time?

There is something which you can be arrested for attempting but not for successfully completing.

What do you think with the below Picture ?

There is a square of a particular number which when doubled, becomes 7 more than its quarter.

Can you find the number?

Prove that the below maths equation is true.

8 + 8 = 91

what one word does the below rebus identifies?

Can you find the odd number in the following?

2716, 4135, 5321 and 7145

I can be cracked, made, told, and played. What am I?

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?

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?