The centre of the third figure is empty. What digit should fit inside?

Which city is three-fifths chick two third cat and 50% goat?

Replace the question mark with the correct number in the below-given picture?

Give it food and it will live; give it water and it will die.

What is the next number in the series?

15 29 56 108 208 ?

A pack of cards has 40 cards. You are blindfolded. Out of 40, 25 cards are facing down while 15 are facing up. You have been asked to divide this pack of cards into two decks - so that each deck contains an equal number of face-up cards. Remember, you are blindfolded.

How will you do it?

I cannot talk, but I always reply when spoken to. What am I?

What has six faces, but does not wear makeup, has twenty-one eyes, but cannot see? What is it?

What always comes into a house through the keyhole?

In the given figure, you can see that four match sticks are used to form a square. Can you form five squares by using six matches?