Can you count the number of triangles in the given figure?

I speak without a mouth, and hear without ears. I have no-body, but I come alive with the wind. What am I?

I’m orange, I wear a green hat and I sound like a parrot. What am I?

Can you count the number of seconds in a year?

Clue: You need to bother about calculation.

What kind of band never plays music?

A Man gave one of his sons 10 cents and another son was given 15 cents. What time is it?
Hint: Figure out the relation between time and number, is not so easy..:)

I had an infinite supply of water and 5 litres and 3 litres jars.

How would you measure exactly 4 litres in the least number of steps?

This is the oldest riddle that I have heard.

Once there was a man who was travelling with a Tiger, goat and grass.
He needs to cross a river that can carry a maximum of two i.e. Man + one of Tiger goat or grass. But the problem is "If he takes the lion with him, the goat will eat grass and if he takes grass with him, the lion will eat the goat".

How can he ensure the safe delivery of all three?

We have two identical balls in terms of diameter and weight. However, one of them is solid and the other is hollow.

Without knocking the ball, can you find the solid ball?

Why do we preferably have round manhole covers and not square ones?