If eleven plus two equals one, what does nine plus five equal?

John can place six large boxes or nine small boxes into a carton.

Can you find out in how many cartons can he place sixty-six boxes in total?

Count the squares in the matchstick puzzle below?

What does this rebus photo means?

Can you decipher the two rows to find the hidden word?

What can you serve, but never eat?

We have shown you a regular water barrel as below. Without using any measuring device can you check if the barrel is more than half-filled or less than half-filled?

Find the missing number in the image below.

There are are five things wrong with this sentence; only geniuses will be able to to spot all of the mitstakes

You visit a home for specially-abled children on the occasion of Christmas where you meet with 50 children. You have a box of chocolates containing 50 chocolates exactly.

What if you were asked to one chocolate to each child in a manner that one chocolate still remains in the box? Is it possible?