Q. The ratio of the number of boys and girls who participated in an examination is 4:3. The total percentage of candidates who passed the examination is 80 and the percentage of girls who passed is 90. The percentage of boys who passed is .
(A) 55.50
(B) 72.50
(C) 80.50
(D) 90.00
Ans: 72.50
Ans:
Let Number of boys =4x
and Number of girls =3x
Total passed candidates
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