A man and a dog were going down the street. The man rode, yet walked. What was the dog’s name?

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

It can't be seen, can't be felt, can't be heard, and can't be smelt.
It lies behind stars and under hills, And empty holes it fills.
It comes first and follows after, Ends life, and kills laughter.
What is it?

There is a bag which have 21 blue balls and 23 red balls. You also have 22 red balls outside the bag. Randomly remove two balls from the bag. * If they are of different colors, put the blue one back in the bag. * If they are the same colour, take them out and put a red ball back in the bag. Repeat this until only one ball remains in the bag. What is the color of the sole ball left in the bag ?

The more you take me, the more you leave me behind.
Who Am I?

They came out at night, without being called.
They lost at day, without being stolen.
Who are they?

Prove that the below maths equation is true.

8 + 8 = 91

You walk into a room that contains a match, a kerosene lamp, a candle and a fireplace. What would you light first?

What has lots of eyes, but can’t see?

If Japan and Panama decided to merge into a single country, probably people will name it Japanama.

Can you think of two more such country's unions that could produce similar names like Japanama by overlapping their three letters?