Question

The cp of 10 articles : s.p of 9 articles. Find the gain %

Answer 1

Solution:-
Let the Cp of 1 article be ₹1
So,Cp of 10 article=₹10
It's given that,
cp of 10 article =Sp of 9articles
Sp of 9 article is equal to ₹10
Hence,
Profit made on Sp of 9 articles=10-1=9
Since we know that,
$gain\% = \frac{gain}{cp} \times 100 \\ = > \frac{1}{9} \times 100 \\ = > 11.11$
Hence,he gain 11.11℅