BdMO National Secondary 2014/1

Discussion on Bangladesh Mathematical Olympiad (BdMO) National
User avatar
samiul_samin
Posts: 1007
Joined: Sat Dec 09, 2017 1:32 pm

BdMO National Secondary 2014/1

Unread post by samiul_samin » Mon Feb 19, 2018 1:49 pm

If $x$ is divided by $10$ then the quotient is $y$ and remainder is $3$.If $x$ and $y$ are both positive integers then what will be the remainder if $x$ is divided by $5$?

User avatar
samiul_samin
Posts: 1007
Joined: Sat Dec 09, 2017 1:32 pm

Re: BdMO National Secondary 2014/1

Unread post by samiul_samin » Mon Feb 19, 2018 1:54 pm

Hint
Use Equation
Answer
$\fbox 3$
Simillar Problem
BdMO National Primary 2014/3
Solution
According to the state ment of the question
$10y+3=x\Rightarrow 5(2y)+3=x$
So,if $x$ is divided by $5$ the remainder is $\fbox 3$

Post Reply