Practice India questions with answers and explanations.
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The units digit follows from 6³.
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16²+5²=281.
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Area=17×8=136.
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By Vieta, root sum is the coefficient 29.
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10²+6²=136.
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Area=11×9=99.
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(13+15)/2=14.0.
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4²+7²=65.
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Area=5×10=50.
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By Vieta, root sum is the coefficient 19.
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(7+16)/2=11.5.
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Increase/base ×100 = 25%.
