CAT Quant Practice Problems

Question: If one root of\({x^2} - 7 + 12 = 0\) is 4, while the equation \({x^2} - 7x + q = 0\) has equal roots, then the value ofqis

\(\frac{{49}}{4}\)
\(\frac{4}{{49}}\)
4
\(\frac{1}{4}\)
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