সকল সরকারী/বেসরকারী পরীক্ষার প্রশ্ন পেতে ক্লিক করুন গণিতের আইকিউ টেস্ট করতে ক্লিক করুন
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---
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
এ সম্পর্কিত আরো প্রশ্ন দেখুন
- An economist estimates that the cost of living will increased by 8.5% over the next three years. How much should a piece of candy cost in three years from now if it costs Tk.1.50 today?
- From 2004 to 2005 the sales of a book decreased by 80%. If the sales in 2006 were the same as in 2004, by what percent did they increase from 2005 to 2006?
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