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
- The assessed value of a house is $72000. The assessed value is 60% of the market value of the house. If taxes are $3 for every $1000 of the market value of the houes, how much are the taxes on the house?
- A ball pen factory decided to reduce its production by 10% over that of previous month for next 3 months starting from February 1994. In January 1994, it produced 3000 ball pens. How many ball pens were produced in March 1994?
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- Due to reduction in the bus fare by 15%, the number of passengers on a certain route increased by 40% then what will be the percentage increase in revenue?
- Length of a rectangle is increased by 60%. By what percent would the width have to be decreased to maintain the same area?
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