Maths

[lilyangx2]

How many different four digit numbers can be made from the digits 2, 2, 2, 3 and 3?
The answer is 10.
Please help how to work it out?
Thank you

[ToadMum]

2223
2232
2322
3222
3223
3232
3322
2233
3223
2332

I think.

[Guest55]

How many different four digit numbers can be made from the digits 2, 2, 2, 3 and 3?
The answer is 10.

You need to work in a system:
use the 2s and move the 3 along
2223
2232 etc

[ToadMum]

How many different four digit numbers can be made from the digits 2, 2, 2, 3 and 3?
The answer is 10.

You need to work in a system:
use the 2s and move the 3 along
2223
2232 etc

I did to start with, but got a bit bored

[Surferfish]

How many different four digit numbers can be made from the digits 2, 2, 2, 3 and 3?
The answer is 10.

You need to work in a system:
use the 2s and move the 3 along
2223
2232 etc

I did to start with, but got a bit bored

Best to use a system like Guest55 suggests otherwise you might end up counting the same number twice...

2223
2232
2322
3222
3223
3232
3322
2233
3223
2332

[ToadMum]

. I did say that I got bored.

And boggle-eyed. So the tenth one is - ?

[Surferfish]

2323 is the missing one I think.

Agree that all those 2's and 3's can make you go a bit boggle-eyed!