Question

a group of 400 students took certain examination.60% of boys 80% of girls had cleared the cutt off in the examination. if the total % of students qualifying is 65%, then how many girls appeared in the exam?A) 100  B)150   C)200  D)250   E)300

Answer 1

400 students x 65% = 260 students that are qualified.

60% boys
80% girls

80%/140%  = 57%
57% x 260 = 149 girls  The closest answer is B.) 150 girls.