There are 5 CD racks in a room. Each rack contains at least 10 CDs but not more than 14 CDs. Which of the following could be the total number of CDs on all five racks?
A. 25
B. 35
C. 55
D. 75
E. 85
সঠিক উত্তরঃ
C.
55
Explanation:

Related Questions (Any University/Year)
- After X% of their games had been played. Leicester had won 40% of their games. They won 30% of the rest of the games. In terms of X which of the following expresses the percentage of games Leicester had won at the end of the season?
- Think of a number and then double the number, Add 6 and then multiply the number by 10. Now divide the number by 20, then subtract the number you first thought of, What is the result?
- The average salary of Arif and Babu is Tk. 10,000 and that of Sabbir and Babu is Tk. 12,000. What is the difference between Sabbir's salary and Arif's salary?
- n denotes the number obtained when n is rounded to the nearest tenth. For example 4.31=4.3 0.089-1.135=
- Lima is 6 years older than her sister Sharmin, and Jamal is 5 years older than Lima. If the total of their ages is 41, how old is Jamal?
- Adnan pays 50% of a bill, Shafiq pays 40% of the remaining and the rest Tk. 120 is paid by Raiyan. How much did Adnan Shafiq Raiyan pay together?
- Lima is 6 years older than her sister Sharmin, and Jamal is 5 years older than Lima. If the total of their ages is 41, how old is Jamal?
- If Milly gives Tilly Tk. 60 , the money they have is in the ratio 2:1 however , If Tilly gives Mily TA. 10 the ratio is 1:3 How much money have Milly before they exchange any money?
- 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?
- The sum of the weights of P and Q is more than that of R and S taken together.The wight of P is half as much as the sum of the weights of Q and S. The sum of the weights of P and R is the same as the wight of Q and S taken together. Which of the following statements must be incorrect?
- A certain machine fills a bag with 7 ounces of potato chips in 3.5 seconds. At this rate how many seconds will it take the machine to fill a bag with 15 ounces of potato chips?
- Sally gets paid x dollars per hour for a 40-hour work week and y dollars for each hour she works over 40 hours. How much did Sally earn if she worked 48 hours?
- Jeff takes 20 minutes to jog around the race course one sme, and 25 minutes to jog around a second time. What is his average speed in miles per hour for the whole jog if the course it 3 miles long?
- A motorcycle stunt man belonging to a fair rides over the vertical walls of a circular wall at an average speed of 54 km/h for 5 minutes. If the radius of the wall is 5 meters then the distance travelled is -
- Which Number Should come next in this series? 25,24.22.19,15
- What is the average of four tenths and five thousandths?
- In the figure above area of the inscribed rectangle is 32. The circumference of the circle is-
- In Jiimiary, 55 percent of a hospital's 300 patients were women. In February, 30 percent of its 440 patients were women. What was the percent change in the number of women patients from January to February?
- A certain radio costs a shopkeeper Tk. 64, At what price must he sell it if he is to make a profit of 20% on the selling price?
- A certain recipe calls for 3kgs of sugar for every 6 kgs of flour.If 60kgs of this sweet has to be prepared,how much sugar is required?
- In a sports club with 30 members, 17 play badminton and 19 play tennis and 2 do not play either. How many members play both badminton and tennis?
- A straight fence is to be constructed from posts 6 inches wide and separated by lengths of chain 5 feet long. If a certain fence begins and ends with a post, which of the following could not be the length of the fence in feet? (12 inches =1 foot)
- The cost of two litres of Oil and its container is Tk. 100. If the cost of the container is Tk. 23 less than the cost of one litre of Oil, what is the cost of one litre of Oil ?
- A steel mill produces 180 tons of steel per month. Raw materials cost for each ton of production is Tk. 1200. Other expenses of that mill are Tk. 90,000 in each month. What should be the selling price of each ton of steel in order to make 10% profit?
- 230+230 +230 +230=
- Alam can do a job in 3 hours. Bipu can do the same work in 20% lesser time but he charges 30% per hour more than Alam does. Alam works for 1 hour and the rest is completed by Bipu. If Alam receives 100 TK , how much did Bipu receive?
- 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?
- If x #0, then (x+7)/7x-1/x = ?
- There were n books in a store. After 1/6th of the books were sold and 5 more books were procured, the total number of books in the shop stood at 65. What was the original number of books in the shop?
- 6 pints of a 20 percent solution of alcohol in water are mixed with 4 pints of a 10 percent alcohol in water solution. The percentage alcohol in the new solution is
- A wholesaler ordered 120 units of a certain product from its producer. The product would be sold at a price of BDT 500 each which was marked 20% over its initial cost. However, the wholesaler could not sell 12 units of that product which were returned to the producer for a refund of 50% of the wholesaler's initial cost. What was the wholesaler's approximate profit or loss as a percentage of his initial cost for the 120 units?
- A company rents parking spaces at the rate of TK. 100 per week or TK. 300 per month. How much does a person save in a year (in tk) by renting by month rather than by week?
- A student who secures 20% marks in a test fails by 30 marks. Another student who secures 32% marks get 42 marks more than those required to pass. Pass percentage of marks is
- একটি ট্রেন ১৫ সেকেন্ডে চলে ২০ ফুট। একই দ্রুততায় ট্রেনটি ৩ সেকেন্ডে কত ফুট চলবে?
- In a recent survey among 362 BBA students of IBA, 281 students responded that they watch IPL or English Premier League or both. If 97 of these students do not watch IPL and a total of 204 students watch English Premier League, how many of these students watch both?
- The cost price of a table and a chair together is TK. 690. If the table costs 30% more than the chair, then find the cost price of the table and the chair respectively.
- ৮ টি বানর ৮ মিনিটে ৮ টি কলা খায়, ৪৮ মিনিটে ৪৮ টি কলা কতটি বানর খেতে পারবে?
- A car going 40 miles per hour set out on an 80 miles trip at 9.00 A.M. Exactly 10 minutes latter, a second car left from miles per hour, was the second car going if it caught up with the first car at 10.30 A. M.?
- ফেরি পারাপারে চালকসহ একটি গাড়ি পার করার খরচ ৫ ডলার। যাত্রীর জন্য অতিরিক্ত ভাড়া ৫০ সেন্ট। যদি একটি গাড়ি পার করতে ৬.৫ ডলার খরচ হয়ে থাকে তবে গাড়িতে মোট কতজন লোক ছিল।
- একটি বহু নির্বাচনী প্রশ্নমালায় ১০০ টি প্রশ্ন আছে। প্রতি প্রশ্নের ৪ টি বিকল্প উত্তর আছে। পরীক্ষার্থী ২০ টি প্রশ্নের উত্তর সঠিকভাবে দেয়। বাকি প্রশ্নগুলো অনুমান করে উত্তর দেয়। পরীক্ষার্থী ঐ পরীক্ষায় কত নম্বর পেয়েছিল?