Jo's collection contains US, Indian and British stamps. If the ratio of US to Indian stamps is 5 to 2 and the ratio of Indian to British stamps is 5 to 1, what is the ratio of US to British stamps?
A. 5:1
B. 10:5
C. 15:2
D. 20:2
E. 25:2
সঠিক উত্তরঃ
E.
25:2
Explanation:
Related Questions (Any University/Year)
- The closest approximation to the value of sqrt(4/5)" " is
- Three friends - Anwar, Bobby and Dipu divided Tk. 1105 amongst them in such a way that if Tk. 10, Tk. 20 and Tk. 15 were removed from the amount that Anwar, Bobby and Dipu received respectively, then the share of the amount they got would be in the ratio of 11:18 24. How much did Dipu receive?
- ফেরি পারাপারে চালকসহ একটি গাড়ি পার করার খরচ ৬ ডলার। একজন যাত্রির জন্য অতিরিক্ত ভাড়া ৫০ সেন্ট। যদি একটি গাড়ি পার করতে ৭.৫ ডলার খরচ হয়ে থাকে তবে গাড়িতে মোট কতজন লোক ছিল?
- Two cars start towards the same destination at the same time. One car is 5 km behind the other. If the speed of the car at the front is 750 m/min and that of the other car is 1000 m/min, after how many minutes will the two cars meet?
- 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
- After working for a total of 4 hours at a temporary job, Shams was told that you had just completed ¼ of the job. How long should it take you to finish the remaining part of the job?
- A manufacturer prints books at a cost of Tk. x each for the first thousand copies printed. The second thousand copies printed cost Tk. 0.9x each. If it costs Tk.3,264 to print 1,400 copies of a book, then x is:
- A shoe seller sold one pair of shoes for 20 taka. The buyer did not have change and gave the seller a 100 taka note. The seller took taka 100 change since he had none in his cash box from a neighbor businessman and returned the buyer required change plus the shoe he bought. Moments later after the client had left the seller found that he was given a fake note. What was the amount of loss for the seller?
- On a certain street, there is an odd number of houses in a row. The houses in the row are painted alternately white and green, with the first house painted white. If 'n' is the total number of houses in the row, how many of the houses are painted white?
- A CD player and a DVD player have the same price. If the price of the CD player goes up by 10% and that of the DVD player is decreased by 5%, how much more will it cost to buy 5 CD players and 5 DVD players?
- 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?
- A salesman makes a 20 percent commission on the selling price of each set of encyclopedias he sells. If he sells 12 identical sets of encyclopedias and makes $1,800 in commissions ,what is the selling price of each set?
- 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?
- টেলিফোনের মোট কল সংখ্যা হল 'n' এবং প্রত্যেক কলের চার্জ হল 'p'। মোট কল চার্জ কত হবে?
- Anwar can fill a pool with buckets of water in 30 minutes, Bobby can do the same job in 45 minutes, and Dipu can do the same job in \(1\frac{1}{2}\) hours. How quickly can all three fill the pool together (in minutes)?
- The population of City X is 40% percent of the population of City Y. The population of City X is what percent of the total population of city X and City y together?
- The ratio of working hours of three workers is 1: 2: 5 . If they worked on a combined total of 112 hours , what is the longest hour did one worker work?
- Mr. Cutlur usually makes a 45% profit on every radio he sells. During a sale, he reduces his margin of profit to 40%, while his sales increase by 10%. What is the ratio of his new total profit to the original profit?
- Sonia travels to IBA from Uttara by car at a speed of 40 km per hour and returns to Uttara at a speed of 30 km per hour by an auto rickshaw. What is her average speed in the entire journey in km/hour?
- The average of 5 numbers is 38. If 2 numbers with an average of 27.5 are added to these numbers, what will be the average of the 7 numbers combined?
- The ratio of boys and girls in a school is 9:5.If the total number of students in the school is 1050.Then number of boys is.
- In a cricket match Tamim played 120 balls. His number of boundaries was twice the number of over boundaries. He took 12 single runs, no 2 or 3 runs, & could not score from 33 deliveries. How many runs did he score?
- 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?
- A bus uses one gallon of petrol to travel 15 km. After a tune-up, the bus travels 15% farther on one gallon. How many gallons of petrol will it take for the bus to travel 150 km after a tune-up?
- Of the 400 students in a business school, 30% were women and of these 1/5th became entrepreneurs. If the number of men who became entrepreneurs was twice the number of women entrepreneurs, how many men became entrepreneurs?
- 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?
- 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?
- The cost of two litres of Oil and its container is taka 100 . If the cost of the container is taka 23 less than the cost of one litre of oil , what is the cost of 1 litre of oil ?
- Anwar has 4 pens and pencils and Anis has 6 pencils. How many pens should Anwar give to Anis so that the ratio of pen to pencil for both of them becomes the same?
- The average weekly salary per head of all employees is tk .1000 (Supervisors and labours). the average weekly per head salary of all supervisors is TK. 6000 while the average weekly salary per head of all labours is TK .750 ,if there are 840 labours in it find the number of supervisors
- A football team had a ratio of win to loss of 3:1. After winning 6 games in a row. the team's ratio of win to loss became 5:1. How many games had the team won before it won the six games?
- if a ,b and c are 3 consecutive integers in that order ,which of the following has the lowest value?
- If x is an integer and (x^2
- The price of sugar increased by 10%. What percentage of consumption of sugar is to be reduced in order to keep the expenditure on sugar at the same level?
- হামিদ ফাহিমকে ১১০টি মার্বেল এবং জামালকে ৭৫টি মার্বেল দেওয়ার পর তার কাছে ৩১৫টি মার্বেল ছিল। হামিদ শতকরা কত ভাগ মার্কেল এ দু'জনকে দিয়ে দিয়েছিল?
- ঢাকা থেকে চট্টগ্রামের দূরত্ব ২৪০ কি. মি.। একটি বাস ঘণ্টায় ৬০ কি. মি. গতিতে গিয়ে ঘণ্টায় ৪০ কি. মি. গতিতে ফিরে এল। বাসটির গড় গতিবেগ কত?
- 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?
- The difference between the sum of two Numbers and difference of the two numbers is 6. Find the larger of the two numbers if their product is 15.
- A farmer had 17 hens. All but 9 died. How many live hens were left?
- If (x -y=2) and (xy =3) , then (x + y =?)
