CAT Quant Practice Problems

Question: If the roots x1and x2of the quadratic equation x2− 2x + c = 0 also satisfy the equation 7x2– 4x1= 47, then which of the following is true?

c = –15
x1= −5, x2= 3
x1= 4.5, x2= −2.5
None of these
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