In an examination,the percentage of students | vedclass

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(D) Let $x$ be the number of students who appeared for the examination from school $A$.Number of students qualified from school $A = 0.7x$.Number of s

Vedclass · Accepted Answer

$87.5$

Vedclass · Answer

(D) Let $x$ be the number of students who appeared for the examination from school $A$.Number of students qualified from school $A = 0.7x$.Number of students who appeared from school $B = x + 0.2x = 1.2x$.Number of students qualified from school $B = 0.7x + (0.5 	imes 0.7x) = 1.5 	imes 0.7x = 1.05x$.Percentage of students qualified to the number of students who appeared from school $B = \frac{1.05x}{1.2x} 	imes 100$.$= \frac{1.05}{1.2} 	imes 100 = \frac{105}{120} 	imes 100 = \frac{7}{8} 	imes 100 = 87.5 \%$.

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