Which three-digit number, made of consecutive digits, like 567, is 2 less than a cube and 2 more than a square?

Your mother’s brother’s only brother-in-law is asleep on your couch. Who is asleep on your couch?

Find the next number in the following series:
6, 14, 26, 98, __?

What is the riddle which can be asked all day with a different correct answer each time.

A man says, "Brothers and sisters, have I none, but that man's father is my father's son." Who is that man?

What work can one never finish?

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?

A man is found dead in his bathroom naked with blood scattered all around him. The bathroom was locked from the inside and there is no trace of any struggle. There is nothing in the bathroom except his pant with the belt still around and his shirt. Also, the medic team can't find any incision in his body that may have been the reason behind so much blood loss.

The Police department is clueless regarding this murder mystery.
Can you?

Look at the below sequence of letters and tell us what the next letter should be:

O T T F F S S ?

What is the next number?

77, 49, 36, 18 ?