## Lucky number

Think of a number. Double it. Add ten. Half it. Take away the number you started with. What is your number?

Your number is 5.

Think of a number. Double it. Add ten. Half it. Take away the number you started with. What is your number?

Your number is 5.

If you had a pizza with crust thickness 'a' and radius 'z', what's the volume of the pizza?

pi * z * z * a

I know a number which is spelled in an alphabetical order. Do you?

Forty.

What is the largest number you can write with just 3 digits?

999.

Create a number using only the digits 4,4,3,3,2,2,1 and 1.
So I can only be eight digits.
You have to make sure the ones are separated by one digit, the twos are separated by two digits the threes are separated with three digits and the fours are separated by four digits.

41312432.

Farmer Brown came to town with some watermelons. He sold half of them plus half a melon and found that he had one whole melon left. How many melons did he take to town?

Easy, three melons.

There is a word and six letters it contains.
Take one away and twelve is what remains.
What word is it?

Dozens.

On the first day they cover one quarter of the total distance.
The next day they cover one quarter of what is left.
The following day they cover two fifths of the remainder and on the fourth day half of the remaining distance.
The group now have 14 miles left, how many miles have they walked?

68.962962 miles

Divide 110 into two parts so that one will be 150 percent of the other. What are the 2 numbers?

44 and 66.

As I was going to the mall I met a man with seven wives. Each wive held two bags, each bag held a mother cat, each mother cat had six babies,
How many people were going to the mall?

Just one.