2020 · Q33
The populations of two villages are 1525 and 2600 respectively. If the ratio of male to female population in the first village is 27 : 34 and the ratio of male to female population in the second village is 6 : 7, then what is the ratio of male to female population of these two villages taken together?
Elementary MathematicsRatio and Proportion
- A33/41
- B85/82
- C71/90
- D5/6
Explanation
Village 1: males = 1525 × 27/61 = 675, females = 850. Village 2: males = 2600 × 6/13 = 1200, females = 1400. Total males = 1875, total females = 2250, a ratio of 1875 : 2250 = 5 : 6.