CUET UG Numerical Ability problem 126: If x=9 and y=20, what is x²+y²?
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9²+20²=481.
Practice CUET Numerical Ability questions with answers and explanations.
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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.
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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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(11+13)/2=12.0.
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Increase/base ×100 = 25%.
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The units digit follows from 2³.
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2²+5²=29.