Practice CAT Quantitative Ability MCQ questions with answers and explanations.
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The units digit follows from 8³.
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3²+19²=370.
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Area=4×3=12.
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By Vieta, root sum is the coefficient 11.
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(6+9)/2=7.5.
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Increase/base ×100 = 25%.
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9²+18²=405.
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8²+21²=505.
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Area=9×5=45.
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By Vieta, root sum is the coefficient 18.
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Increase/base ×100 = 25%.
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14²+20²=596.
