Jenny's average on 4 exams is 80. Assuming she cannot earn more than 100 on any exam. What is the least she can earn on her 5th exam and still have a chance for an average of 84 after seven exams?
A. 68
B. 75
C. 82
D. 84
E. None of them
সঠিক উত্তরঃ
A.
68
Explanation:
Related Questions (Any University/Year)
- ৩ : ৫ এর দ্বিগুণানুপাত কত?
- একক ব্যাসার্ধ বিশিষ্ট বৃত্তের ক্ষেত্রফল কত?
- In redesigning a cold storage, the length is increased by 30%, the breadth is increassed by 50% and the height is reduced by 20%. What is the net increase in the volume of the redesigned cold storage compared to the previous design?
- কোনো ত্রিভুজের শীর্ষবিন্দু হতে বিপরীত বাহুর মধ্যবিন্দুর উপর অঙ্কিত রেখাকে ঐ ত্রিভুজের কি বলা হয়?
- A man has to go 10 km to catch a bus. He walks part of the way at 7 km/hr and runs the rest of the way at 12 km/hr. If he takes 1 hour 15 minutes to complete his journey, find how far he walked.
- 3 years ago, the average age of a family of 5 members was 17 years. A baby having been born the average age of the family is the same today. The present age of the baby is
- একটি দ্রব্য ৩৮০ টাকায় বিক্রয় করায় ২০ টাকা ক্ষতি হলো। ক্ষতির শতকরা হার কত?
- At a particular moment, if the angle between the hour hand and the minute hand of a clock is 105 , what was the time by the clock at that time?
- To produce an old photograph, a photographer charges x dollars to make a negative 3x/5 dollars for each of the first 10 prints, and x/5 dollars for each print in excess of 10 prints. If 45 dollars is the total charge to make a negative and 20 prints from an old photograph, how many dollars the photographer charges to make a negative?
- To produce an old photograph, a photographer charges x dollars to make a negative, 3x/5 dollars for each of the first 10 prints, and x/5 dollars for each print in excess of 10 prints. If 45 dollars is the total charge to make a negative and 20 prints from an old photograph, how many dollars the photographer charges to make a negative?
- At a certain bookstore , the regular price of each book is 20 percent less than its list price. If during a sale the price of each book at the store was 15 percent less than its regular price, then the price of a book during the sale was what percent less than its list price ?
- If 194 means AID, BEFF means what?
- x+y=12 এবং x-y=8 হলে, xy এর মান কত ?
- If 4 is subtracted from one-fourth of a number, the result in 20. Which of the following is the number ---
- (x-y)(x+y)/x2-y2= কত?
- কোন ক্ষুদ্রতম সংখ্যাকে ৪, ৫ ও ৬ দ্বারা ভাগ করলে প্রতিক্ষেত্রে ১ অবশিষ্ট থাকে?
- Alim and Badrul enter in to a partnership and Alim invests Tk 10,000 in the partnership. At the end of 4 months he withdraws Tk 2000. At the end of another 5 month, he withdraws another Tk 3000. If Badrul receives Tk 9600 as his share of the total profit of Tk 19,100 for the year, how much did Badrul invest in the company?
- যদি xy=34 হয়, তবে x+yx-y এর মান কত?
- If (x+3y)=15 and x=-1.5y, then x=?
- x2-3x+2 কে x+1 দ্বারা ভাগ করলে ভাগশেষ কি হবে?