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In a class, 120 students are male and 100 students are female. 25% of the male students and 20% of the female students are engineering students. 20% of the male engineering students and 25% of the female engineering students passed the final exam. What percentage of engineering students passed the exam?

Correct Answer: 22%
Eng. male = 120×.25 = 30 Eng.female = 100×.20 = 20 Total eng. student = 30 + 20 = 50 Eng.male passed = 30×.20 = 6 Eng female passed = 20×.25 = 5 So, percentage passed = (6 + 5)/50×100% = 22%

In a class, 120 students are male and 100 students are female. 25% of male students and 20% of female students are engineering students. 20% of the male engineering students and 25% of the female engineering students passed the final exam. What percentage of engineering students passed the exam?

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