72% of the students of a certain class took Biology and 44% took mathematics. If each students took Biology or Mathematics or both. If 40 students took both Biology and Mathematics then the total number of students in the class was---

গণিত
Percentage

প্রশ্নঃ 72% of the students of a certain class took Biology and 44% took mathematics. If each students took Biology or Mathematics or both. If 40 students took both Biology and Mathematics then the total number of students in the class was---

  • ক. 250
  • খ. 320
  • গ. 200
  • ঘ. 240

সঠিক উত্তরঃ

250
There are no comments yet.
Authentication required

You must log in to post an answer.

Log in

বিষয়

গণিত

অধ্যায়

Percentage