The ratio of the number of rural and urban workers (includes men and women only) in an office is 3 : 2. If 20% of rural and 25% of urban are women, the percentage of men is:
Answer & explanation
Correct answer: option 3
Rural : Urban
3 : 2
⇒ 3 : 2 or 30 : 20
⇒ Men = 30 x \(\frac{80}{100}\) + 20 x \(\frac{75}{100}\)
⇒ Percentage of Men = 24 + 15 = \(\frac{39}{50}\) x 100 = 78%