IIM CAT Math practice questions answers. Profit and loss, CP, SP : XAT 2020 / TANCET 2020 MBA Entrance Tests Preparation

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You are here: Home  »  XAT, TANCET Prep Questions »  Profits »   Question 10

Profit, Loss, Cost Price, Selling Price - XAT 2020 Prep

The question is a sample practice problem in profit, loss, discounts, an Arithmetic Topic and the problem provides an understanding of the different terms such as Cost Price, List Price, Selling price and margins.

Question

Rajiv sold an article for Rs.56 which cost him Rs.x. If he had gained x% on his outlay, what was his cost?
  1. Rs.40
  2. Rs.45
  3. Rs.36
  4. Rs.28
Correct Answer - 40. Choice (1)

Explanatory Answer

x is the cost price of the article and x% is the profit margin.

Therefore, s.p =x (1+x)/100 = 56

=>x(100+x)/100 = 56

So, 100x + x2 = 5600.
Solving for 'x' , we get x = 40 or x = -140.
As the price cannot be a -ve quantity, x = 40.

The cost price is 40 and the markup is 40.

It is usually easier to solve such questions by going back from the answer choices as it saves a considerable amount of time.

Correct answer choice (1)



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