2022Quantitative AptitudeGS Paper II
From the following equations x2 + y2 = 41 and x4 - y4 = 369 the value of x and y will be respectively
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Which statement is NOT correct?
A person buys 4 horses and 9 cows for ₹13,400. If he sells the horses at 10% profit and cows at 20% profit, then he earns a total profit of ₹1,880. What is the cost of a cow?