CUET UG Mathematics Domain problem 645: Find the arithmetic mean of 18 and 19.
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(18+19)/2=18.5.
Practice CUET Mathematics questions with answers and explanations.
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(18+19)/2=18.5.
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Increase/base ×100 = 25%.
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4²+9²=97.
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Area=5×12=60.
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By Vieta, root sum is the coefficient 21.
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(7+18)/2=12.5.
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The units digit follows from 6³.
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9²+11²=202.
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Area=10×14=140.
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By Vieta, root sum is the coefficient 28.
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(12+20)/2=16.0.
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Increase/base ×100 = 25%.