In an examination, 70% students passed in Physics and 65% students passed in Chemistry. If 45% students passed in both subjects, and 42 students failed in both subjects, what is the total number of students?
সঠিক উত্তর: B. 420
- পদের নাম
- অফিসার
- সাল
- 2026
- সূত্র
- Learning School Master Database