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Ramji sold an article at a loss of 8 percent. Had she bought it at 10% less and sold for Rs. 72 more; she would have gained 20%. Find the cost price of the article.

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400

450

500

550

answer is B.

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Detailed Solution

Concept- We will use the formulae of Selling Price and Cost Price.
Case 1:
Let, the cost price be Rs. 100
Given that, loss

Using selling price formula,

Case 2:
Now, she bought it at

less
Therefore,

After selling the product she gain,

So,

The Difference between S.P. of the case 2 and case 1 is

But according to the question, it should be

Now, let the C.P. be

for difference

and for C.P.

, difference is

So,

The Cost price of the article is

.
Hence, the correct answer is option 2) 450

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