Rima bought 4 books that cost Tk 6 each and 2 books that cost tk 3 each .what's the averge cost of the six books?
A. 3
B. 4
C. 5
D. 6
সঠিক উত্তরঃ
C.
5
Explanation:
Related Questions (Any University/Year)
- Which of the following has the highest value?
- The ratio of quantity of water in fresh fruit to that of dry fruits is 7 : 2 . If 400 km of dry fruits contain 50 km of water then find the weight of the water in same fruits when they were fresh?
- Mother's age today is thrice as her daughter's . After 10 years it would be just double. How old is the daughter today?
- A company has 3,600 employees among which 1/3 are clerical. If the clerical staff is reduced by 1/3, what percent of the total employees would be clerical staff?
- X:Y=6 হলে XY এর বৃহত্তম মান কত?
- The difference of the squares of two consecutive odd numbers is 84. What is the sum of the two numbers?
- A company has 3,600 employees of which 1/3 are clerks. If the clerical staff is reduced by 1/3, what percent of the total number of remaining employees would be clerical staff?
- Three workers can do a job in 12 days. One of the workers works twice as fast as each of the other two. How long would it take the faster worker to do the job alone?
- If the population of Town B is 50% greater than the population of Town A, and the population of Town C is 20% greater than the population of Town A, then what percent greater is the population of Town B than the population of Town C?
- Shabbir has a brother one-fourth of his age and a sister two times of his age. If the combined age of all the three siblings is twenty more than thrice the age of the youngest, how old is Shabbir's sister?
- একটি গাড়ির সামনের ও পেছনের চাকার পরিধি যথাক্রমে ৩ ও ৪ মিটার। গাড়িটি কত কিলোমিটার পথ অতিক্রম করলে সামনের চাকা পেছনের চাকার চেয়ে ১০০ বার বেশি ঘুরবে?
- স্কুলের পিটিতে নবম শ্রেণির 45 জন ছাত্রের একটি লাইনে শুরু থেকে সপ্তম স্থানে দাঁড়িয়ে আছে অনিক এবং পিছন থেকে সপ্তম স্থানে দাড়িয়ে আছে মোকসেদ। অনিক এবং মোকসেদের মাঝে কতজন ছাত্র দাঁড়িয়ে আছে?
- A man buys some shirts and some ties. The shirts cost. Tk. 7 each and the ties cost Tk. 3 each. If the man spends exactly Tk. 81 and buys the maximum number of shirts possible under these prices, what is the ratio of shirts to ties?
- In a class, the average score of boys in an examination is 86 and that of girls is 81. If the average score of the whole class is 83, then what percent of the class are the girls?
- A trader normally makes a profit of 40 % on items he sells . If he reduces the price by 10% his sales increased by 40% . Let x be the total profit when he doesn't reduce the price and y the total profit when he reduces the price what is the ratio of y to x ?
- If \(x/z\) is more than \(y/z\), then \(y = ?\)
- A train takes 10 seconds to cross a pole and 20 seconds to cross a platform of length 200 m. What is the length of train?
- Lamisa's age is 5 years more than twice Galib's age. Zihan's age is 13 years less than 10 times Galib's age. If Zihan is 3 times as old as Lamisa, how old is Lamisa?
- Out of a total of 1,000 employees at a certain corporation, 52 percent are female and 40 percent of these females work in research. If 60 percent of the total number of employees work in research, how many male employees do NOT work in research?
- If a man's weekly salary is Tk. P and he saves Tk. M, what friction of his weekly salary does he spend?