what does the below math rebus puzzle mean?

Which of the following words don't belong in the group and why?
CORSET, COSTER, SECTOR, ESCORT, COURTS

What does below chemistry rebus means?

Christina, Allison and Lena are 3 daughters of John a well-known Mathematician, When I asked John the age of their daughters. He replied "The current age of her daughters is prime. Also, the difference between their ages is also prime."

How old are the daughters?

I sleep during the day and fly at night, but I have no feathers to aid my flight. What am I?

Through your logical capabilities, can you make 7 an even?

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

With the help clues provided in the image, can you find the 5 digit key?

A man is sitting in a bar when a rich man sits next to him. He turns to the rich man and says, “Did you know I know almost every song that has ever existed?”

The rich man laughs. The man then says, “I bet you all the money you have in your wallet that I can sing a genuine song with a lady’s name of your choice in it. The rich man laughs again and says, “OK, how about my daughter’s name, Jamie Armstrong-Miller?” Minutes later, the man collects his cash and the rich man goes home cashless. What song did the man sing?

Can you solve the tricky chess rebus puzzle below by ciphering the hidden meaning?