Question

By selling an article rs.900, a person 10%. Find the C.P.of the article

Answer 1

let the c.p = x

s.p =900

loss%=10%

$c.p = \frac{100}{100 - 10} \times 900 \\ = \frac{100}{10} \times 900 \\ = \frac{100 }{1} \times 10 \\ = 100 \times 10 = 1000 \\ c.p = 1000$