Find the missing number in the sequence below:

The following question it puts forth you:

25 - 55 + (85 + 65) = ?

Then, you are told that even though you might think it's wrong, the correct answer is actually 5!

Whats your reaction to it? How can this be true?

If you were to put a coin into an empty bottle and then insert a cork into the neck, how could you remove the coin without taking out the cork or breaking the bottle?

Find the missing number in the image below.

A chess tournament is taking place on knock-out terms (the one who loses the match is out of the game).
(a) If 10 matches are played in total, how many players participated?
(b) If 20 players took part in the tournament, how many matches were played?

Two batsman each on 94 runs. Seven runs needed to win in last 3 balls. Both make 100*. How?

How could a baby fall out of a twenty-story building onto the ground and live?

What will be the best approach to finding all the prime numbers less than 75 that leave an odd reminder when we divide them with 5?

If Rajina's daughter is my daughter's mom, who am I to Rajina?

A cricket has 6 legs, a squirrel has 4 legs and a spider has 8 legs.

In a local zoo, it was found that the total number of legs is 612. Also, there are equal number of each of the above animals/insects.

Can you find out how many animals are there in the zoo?