First 44 nos are written in order to form largest no N=12345678910111213.........424344.

What will be remainder when N is divided by 45??

Printable View

- October 13th 2012, 07:57 AMguest13Help please
First 44 nos are written in order to form largest no N=12345678910111213.........424344.

What will be remainder when N is divided by 45?? - October 14th 2012, 11:26 AMSorobanRe: Help please
Hello, guest13!

Quote:

. . . . .

Here are two hints.

Let's see how far you get with them.

(1) When is divided by 5, the remainder is

(2)The sum of the digits of is

. . Since 270 is divisible by 9, is divisible by 9.

. . Hence, when is divided by 9, the remainder is