1.

An article is sold at 10% profit instead of 10% loss, the man gains Rs. 20 more. What is the cost price (in Rs.) of that article?1). 502). 1003). 2004). 400

Answer»

GAIN% = (SP - CP)/CP × 100

Let the Cost PRICE of article be x

Gain = 10%

Selling price of article = x + (10/100) × x = 1.1x

Now the article is SOLD at loss

Loss = 10%

Selling price of article = x - (10/100) × x = 0.9x

The DIFFERENCE between the selling prices is Rs. 20

1.1x - 0.9x = 20

0.2x = 20 ⇒ x = Rs. 100

Cost price of article is Rs. 100



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