How many words can a pen with half refill write?

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

Can you find out which number multiplied by itself will give the output as 12345678987654321?

What demands an answer, but asks no questions

I have holes on the top and bottom. I have holes on my left and on my right. And I have holes in the middle, yet I still hold water. What am I?

what's the probability of getting a king or a queen from a pack of 52 cards?

A network of 20 x 10 squares is given to you.

Can you calculate how many unique squares and rectangles can be formed combining two or more individual squares ?

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 ?

What is the next shape from answers A, B, C, and D figure?

Christina has four daughters, and each of her daughters has a brother. How many children does Christina have?