CAT Preparation – Linear Equations Questions 05

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Question: a1x + b1y + c1z = d1 a2x + b2y + c2z = d2 a3x + b3y + c3z = d3 Which of the following statements, if true, would imply that the above system of equations does not have a unique solution? (i) a1/a2 = b1/b2 = c1/c2...

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CAT Preparation – Profit and Loss Question 04

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CAT level question in Profit and Loss – 04 Question: A merchant buys 80 articles, each at Rs. 40. He sells n of them at a profit of n% and the remaining at a profit of (100 – n)%. What is the minimum profit the merchant could have made...

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CAT Preparation – Profit and Loss Question 03

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CAT level question in Profit and Loss – 03 Question: Traders A and B buy two goods for Rs. 1000 and Rs. 2000 respectively. Trader A marks his goods up by x%, while trader B marks his goods up by 2x% and offers a discount of x%. If both...

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