What brings you down but never up?

What's the only room from which no one can enter or leave

Find the 8 in the below-given Image.

Spot what is wrong here in below Picture?

What has to be broken before you can use it?

Assume there are approximately 5,000,000,000 (5 billion) people on Earth. What would you estimate to be the result, if you multiply together the number of fingers on every person's left hand? (For the purposes of this exercise, thumbs count as fingers, for five fingers per hand.) If you cannot estimate the number then try to guess how long the number would be.

What part of Turkey has the most feathers?

What demands an answer, but asks no questions

Can you spot what's wrong with the following sentence?

PETER WAS ANGRY AT
HIMSELF BECAUSE HE
ACCIDENTALLY LEFT THE
THE KEYS TO HIS CAR
AT HIS FRIEND'S HOUSE.

Can you solve the photo plexer logic ?