Question

The C. P of 10 articles is equal to the S. P of S articles, find the gain or loss percentage?
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Answer 1

Answer:

Step-by-step explanation:

let CP of 1 article =x

so CP of 10 articles = 10

SP of 10 articles =CP of 12 articles

since SP is greater than CP, we have gain

we know , gain = SP-CP

gain = 12x -10x = 2x

gain % = 20%