BDMO National Primary 2018/7
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nahin munkar
- Posts:81
- Joined:Mon Aug 17, 2015 6:51 pm
- Location:banasree,dhaka
abc is a three digit number. abc is appended to abc to create a six digit number abcabc. If abcabc is divisible by abc $\times$ abc, then determine the abc .
# Mathematicians stand on each other's shoulders. ~ Carl Friedrich Gauss
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samiul_samin
- Posts:1007
- Joined:Sat Dec 09, 2017 1:32 pm
Re: BDMO National Primary 2018/7
$13×11×7=1001$
$abc×1001=abcabc$
As $abcabc$ is divided by $abc×abc$ ,
$abc$=$11×13=143$
Answer:$143$
$abc×1001=abcabc$
As $abcabc$ is divided by $abc×abc$ ,
$abc$=$11×13=143$
Answer:$143$