Practice India questions with answers and explanations.
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7²+8²=113.
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Area=8×11=88.
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By Vieta, root sum is the coefficient 23.
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(10+17)/2=13.5.
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Increase/base ×100 = 25%.
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The units digit follows from 6³.
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13²+7²=218.
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Area=14×10=140.
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By Vieta, root sum is the coefficient 28.
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Increase/base ×100 = 25%.
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The units digit follows from 1³.
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Area=2×12=24.
