Question

18. A man sold an article at a profit of 10% Had he bought it at 20% less and sold it for
10 more, he would have earned a profit of 40%. Find the cost price of the article.
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Answer 1

Answer:

150 rupees

Step-by-step explanation:

let O. CP = 100% & sp = 110%

if CP for man = 80% & n .s.p = 110% + 10

(110% + 10) - 80% = 40% of 80%

2% = 10 => 100% = 100 × 10/2

= 500(c.p)