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

I have no life, but I can die. What am I?

John’s parents have three sons: Snap, Crackle, and what’s the name of the third son?

O_er_t_o_

Complete the missing letters of the given word.

What month of the year has 28 days?

I came first on earth but second on the heaven.
I also came twice in a week but found just once in a year.
I stay away from months but you can find me in February.

What am I?

There are four 3-link chains. All you have to do is join them into a big 12-link chain. For joining two closed links, one of the links must be cut and placed onto the other link for closing.

How many minimum links will you have to cut to make the big chain?

Can you write down eight eights so that they add up to one thousand?

I’m tall when I’m young, and I’m short when I’m old. What am I?

How many times can you subtract the number 5 from 25?