Practice India questions with answers and explanations.
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14²+3²=205.
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Area=15×6=90.
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By Vieta, root sum is the coefficient 25.
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(17+12)/2=14.5.
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Increase/base ×100 = 25%.
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3²+21²=450.
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Area=4×5=20.
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By Vieta, root sum is the coefficient 13.
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(6+11)/2=8.5.
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Increase/base ×100 = 25%.
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The units digit follows from 5³.
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9²+20²=481.
