Rima bought four books that cost Tk. 6.00 each and two books that cost Tk. 3.00 each. What is the average cost of the six books?
A. 3
B. 4
C. 5
D. 6
সঠিক উত্তরঃ
C.
5
Explanation:
Related Questions (Any University/Year)
- If x and y are integers and -6< x ≤ 7 and -3≤ y ≤ 9, then which of the following CANNOT be a value of xy?
- 55 men can finish a piece of work in 42 days. How many additional men must be engaged to complete the work 9 days earlier?
- A can do work in 15 days and B in 20 days. If they work on it together for 4 days, then the fraction of the work that is left is:
- In a certain class \(\frac{1}{2}\) of the male and \(\frac{2}{3}\) of the female students speak English. If there are \(\frac{3}{4}\) as many females as males in the class, what fraction of the entire class speaks English?
- কঃখ =৩ঃ৫, খঃগ =৪ঃ৭, হলে, কঃগ = কত?
- Last year 7000 students took the admission test were the ratio of girls to boys was 6:4.Only 2% of the boys met the cut-off marks. The number of such boys was:
- The foot of a ladder is 2m away from a vertical wall. The height of the top of the ladder is 2.m less than the length of the ladder. What is the length of the ladder?
- x কে ৭ দিয়ে ভাগ করলে ভাগশেষ হয় ১। যদি y কে ৭ দিয়ে ভাগ করা হয় তাহলে ভাগশেষ হয় ২। তাহলে, x + y কে ৭ দিয়ে ভাগ করলে ভাগশেষ কত হবে?
- If a 60 ml of water contains 20% of chlorine, how much water must be added in order to create a 12.5% chlorine solution?
- In a class of 78 students 41 are taking French, 22 are taking German. Of the students taking French or German, 9 are taking both courses. How many students are not enrolled in either course?
- If s shirts can be purchased for d dollars, how many shirts can be purchased for t dollars?
- Working independently, Sourodip can perform a certain task in 6 hours and Eshanee can perform it in 7 hours. If Sourodip and Eshanee work together for 3 hours, and then Sourodip leaves, how many hours will it take Eshanee to complete the task alone?
- A and B can do a job in 12 days, B and C can do the job in 18 days and A and C can do the job in 9 days. In how many days A alone can finish the work?
- If (X) is 150 more than (Y), what is the value of (Y) in the figure on the right hand side?
- এক মণ ধানে চাল ও তুষের অনুপাত ১৪ঃ৬ হলে, এতে শতকরা কি পরিমান চাল আছে?
- A nut mixture consists of peanuts, pistachios, and macadamia nuts in the ratio 5:3:2, respectively, by weight. What amount of pistachios will be in 40 pounds of the mixture?
- একটি ক্লাস ২৪ জন ছাত্রের গড় ওজন ৩৬ কেজি।এর সাথে ১ জন শিক্ষকের ওজন যোগ করা হলে গড় ওজন ১ কেজি বৃদ্ধি পায়।শিক্ষকের ওজন কত?
- কয়েকজন বন্ধু পিকনিকে যাওয়ার সিদ্ধান্ত নিয়েছিল এবং খাওয়ার জন্য ৯৬০ টাকা খরচ করার পরিকল্পনা করেছিল। তাদের মধ্যে চারজন না যাওয়াতে। বাকিদের প্রত্যেককে অতিরিক্ত ৪০ টাকা করে চাঁদা দিতে হয়েছে। পিকনিকে যারা অংশ নিয়েছিল তাদের সংখ্যা ছিল-
- Asif is now 14 years older than Saif. If in 10 years Asif will be twice as old as Saif. How old will Asif be in 7 years?
- An absent minded scientist walks on an escalator at a rate of 4 steps per second and reaches the other end in 15 seconds. While coming back, walking at the same speed he reaches the starting point in 45 seconds. What is the number of steps on the escalator?