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

What kind of band never plays music?

Can you divide the below-given shape into four equal and identical pieces?

Forwards I am heavy, backward I am not. What am I?

Find the combined weight of the Cat, Dog and Rabbit in the given picture.

It has five wheels, though often think four, You cannot use it without that one more, You can put things in it, you can strap things on top, You can't find it in the market, but you can still go shop. What is it?

I can be cracked, made, told, and played. What am I?

How many words can a pen with half refill write?

Can you find out the remainder when 3^300 is divided by 5?

Things are just as they seem, right? Well, check again.
Can you count the number of tigers in this picture ?