What Adam and Eve do not have but the rest of the people have?

There's one "sport" in which neither the spectators nor the participants know the score or the leader until the contest ends.

What is it?

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

Prove that the below maths equation is true.

8 + 8 = 91

What is always in front of you but can’t be seen?

Find out the number of circles in the given picture having Illusion

John went to a parrot shop in Mexico, and the parrot owner told him that his parrot is so unique that he repeats everything he hears. John got excited and immediately bought the parrot. John went home and spoke many words, but the parrot does not repeat anything.
He went again to the parrot shop and complaint to the shopkeeper, but the shopkeeper never lied. Explain?

What runs around the whole yard without moving?

ENEMY = 2 * LINK
LINK + 2 = HELL

Then what will be TAXI + HELL? Select from the options below:
a) ROTTEN
b) DANGER
c) HEAVEN
4) MORTAL

If you’ve got me, you want to share me; if you share me, you haven’t kept me. What am I?