Using Only Five 5's and any mathematical operator make sum as 37

Jessica is telling her friends this story and asks them to guess if it’s the truth or a lie: “There was a man sitting in a house at night that had no lights on at all. There was no lamp, no candle, and no other source of light. Yet, he sat in the house and read his book happily.” Her friends say she’s lying, but Jessica corrects them and says she’s telling the truth. Jessica’s story is true—but how?

There is one thing that goes round the house and also inside the house but never even share a brief touch. What is it?

What has hands, but can’t clap?

Find the next number in the sequence

1, 2, 6, 21, 88, __?

Can you calculate the probability of getting a sum of six when a dice is thrown twice?

I have no life, but I can die. What am I?

You walk into a room where there are three primates held in their respective cages:
1) A lion who is eating the flesh of a goat.
2) An orangutan who is playing with blocks.
3) A donkey who is sitting idle.

Who is the most intelligent primate in the room?

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

Replace the question mark with the correct number below.