2017 · Q41
If 78 is divided into 3 parts which are proportional to 1,1/3,1/6, then the middle part is
Elementary MathematicsRatio and Proportion
- A28/3
- B13
- C52/3
- D55/3
Explanation
The parts are proportional to 1 : 1/3 : 1/6 = 6 : 2 : 1. Total 9 parts = 78, so each part is 26/3. The middle part is 2×26/3 = 52/3. Hence option (C) 52/3.