When I get multiplied by any number, the sum of the figures in the product is always me. What am I?

What is red and smells like blue paint?

A man wants to cross the pit of fire which is 25 feet in length and he has 2 planks(fire resistant) 19 feet in length. How can he cross the pit of fire alive?

Identify the 10 differences between the two given pictures.

How can you spell "White of an egg" in one word?
Hint: I know you can spell coke, poke, and joke.

John speaks the truth only once a day in a week. Below are a few hints for you:

First: Days are Sunday, Monday and so on.
Second: One day he says, "I lie on Monday and Tuesday".
Third: On the next day, he says, "Today is either Thursday, Saturday or Sunday".
Fourth: On the next day, he says, "I lie on Wednesday and Friday".

Can you identify the day on which he speaks the truth?

I have lakes with no water, mountains with no stone and cities with no buildings. What am I?

Which wheel of car does not rotate when you turn your car right?

What is in seasons, seconds, centuries and minutes but not in decades, years or days?

If an electric train is travelling south, then which way is the smoke going?