CUET UG Numerical Ability problem 135: Find the arithmetic mean of 18 and 9.
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(18+9)/2=13.5.
Practice cuet-ug-general-aptitude questions with answers and explanations.
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(18+9)/2=13.5.
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Increase/base ×100 = 25%.
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The units digit follows from 8³.
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4²+18²=340.
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Area=5×21=105.
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By Vieta, root sum is the coefficient 11.
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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.
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Area=10×4=40.
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By Vieta, root sum is the coefficient 18.
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14²+3²=205.