state gov Allahabad High Court Group C Mock Test Series 2024 Quantitative Aptitude Ratio and Proportion Simple Ratios
यदि a ∶ b ∶ c ∶ d = \(\sqrt4\) ∶ \(\sqrt3\) ∶ \(\sqrt2\) ∶ \(\sqrt1\), तो \(\frac{\left(-a^2+b^2+c^2+d^2\right)}{\left(a^2-b^2+c^2-d^2\right)}\) का मान क्या है ?
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