Exams › IBPS PO › Quantitative Aptitude

In a group, 40% are male and the rest are female. 40% are graduates and the remaining are postgraduates. If the total number of female postgraduates is 360, what is the number of males in the group?

1. 200
2. 300
3. 400
4. 500

Correct answer: 400

Solution

Females = 60% of N. Postgraduates = 60% of N. Female postgraduates = 60%×60%×N = 0.36N = 360 → N = 1000. Males = 40%×1000 = 400.

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