Two classes A and B have 320 and 240 students respectively If the percentage of students who didn rs...........

Quantitative Aptitude(IBPS RRB PO) Percentage

Two classes A and B have 320 and 240 students respectively. If the percentage of students, who didn’t pass in classes A and B are 40% and 30% respectively, what is the total number of failed students?

400

360

320

260

200

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Explanation:

Number of students who failed in class A = 30 × 0.4 = 128
Number of students who failed in class B = 240 × 0.3 = 72
Total numbers of failed students = 128 + 72 = 200