Arif can do a particular work in 1 hour while Asif can do the same work in 1.5 hours . On a particular day, they work together for half an hour, after which Arif left and Asif had to finish the rest of the work alone. How much time in minutes will Asif require to finish the rest of the work ?
A. 15
B. 16
C. 17
D. 18
E. None of these
সঠিক উত্তরঃ
A.
15
Explanation:
Related Questions (Any University/Year)
- At Veridux Corporation, there are 250 employees. Of these, 90 are female, and the rest are males. There are a total of 40 managers, and the rest of the employees are associates. If there are a total of 135 male associates, how many female managers are there?
- তিনটি মেশিন একটি কাজ যথাক্রমে ৪, ৫, ৬ ঘণ্টায় করতে পারে। দুইটি মেশিন সর্বোচ্চ ক্ষমতায় কাজ করে এক ঘণ্টায় কতটুকু কাজ করতে পারে?
- A river boat leaves Silver Town and travels upstream to Gold Town at an average speed of 6 kilometers per hour. It returns by the same route at an average speed of 9 kilometers per hour. What is the average speed for the round-trip in kilometers per hour?
- The difference of the squares of two consecutive odd numbers is 84. What is the sum of the two numbers?
- 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 ?
- A restaurant meal cost $35.50 and there was no tax. If the tip was more than 10 percent but less than 15 percent of the cost of the meal, then the total amount paid must have been between:
- 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?
- 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
- ঢাকা থেকে চট্টগ্রাম এর দূরত্ব ১৮৫ মাইল। চট্টগ্রাম থেকে একটি বাস ২ ঘণ্টায় প্রথম ৮৫ মাইল যাওয়ার পর পরবর্তী ১০০ মাইল কত সময়ে গেলে গড় ঘন্টায় ৫০ মাইল যাওয়া হবে?
- A boy read 3/8th of a book on one day and 4/5th of the remainder on another day. If there were 60 pages unread, how many pages did the book contain?
- আরিফ তার স্কুল থেকে ১১ মিটার উত্তরে হাঁটার পর ৬ মিটার পশ্চিমে হাঁটল। এরপর সে ৩ মিটার দক্ষিণে গিয়ে তার বাড়ি পৌঁছাল। আরিফের স্কুল থেকে তার বাড়ির দূরত্ব কত?
- In Township K each property is taxed at 8 percent of its assessed value. If the assessed value of a property In Township K is increased from $20,000 to $24,000, by how much will the property tax increase?
- 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?
- In Hotel Sea View, the daily rate for an economic room, which can accommodate a maximum of four people, is Taka 800 for one person and Taka X for each additional person. If 3 friends take the room for one day and each pays Taka. 450 for the room, what is the value of X?
- Rokon, Saim and Nafisa had ate at MCafe. Nafisa's meal cost 50% more than Saim's meal and Rokon's meal cost 5 / 6th as much as Nafisa's meal. if Saim paid Tk1000 for his meal ,what was their total lunch bill?
- 15 workers can finish a job in 12 days. They work for 4 days, after which 5 additional workers join the team. In how many days will all of them together complete the remaining job?
- Lima can do a job in 6 hours. If Sima works with her, the job will be completed in 2 hours. How many minutes would it take Sima to do the job alone?
- Sum of ages of sunny and Imran is Y years. If sunny is 12 years older than Imran , how many years old will Imran be Y years from now, in terms of Y?
- While selling a dangerous artifact, Tanisha was asking for such a price that will enable her to offer a 10% discount and still make a profit of 20% on cost. If the cost of the artifact was Tk. 30, what was her asking price?
- Two trains are running at \(40~km/hr\) and \(20~km/hr\) respectively in the same direction. If the faster train completely passes a man sitting in the slower train in 5 seconds, what is the length of the faster train in meters?