গাণিতিক যুক্তি
মোট ১৯৫৮২ টি প্রশ্ন · উত্তর ও ব্যাখ্যাসহ · বিনামূল্যে
১৮৬৪১–১৮৬৬০ দেখানো হচ্ছে, মোট ১৯৫৮২ টির মধ্যে
- No. of books bound by a child is half the number of books a man can bind. 20 men and 16 children take 10 days to bind all the books. If there are 8 men and 12 children working on the assignment, how many days will they take to bind all the books? MCQ
- Rizvi and Shafi take a project to work together. However, Shafi falls sick after working for 20 days and Rizvi works alone on the project for the last 6 days. They submit the project in 26 days. Had Rizvi and Shafi worked on the project for all the days together, they could have submitted it in 24 days. How many days will Shafi take to complete the project alone? MCQ
- 3 pumps, working 4 hours a day, can empty a tank in 2 days. How many hours a day must 4 pumps work, to empty the tank in one day? MCQ
- In a dairy farm, 20 cows eat 20 bags in 20 days. In how many days one cow will eat one bag of husk? MCQ
- A hostel had provisions for 250 men for 40 days. If 50 men left the hostel, how long will the food last at the same rate? MCQ
- In a camp, food was sufficient for 2000 people for 54 days. After 15 days, more people came and the food lasted only for 20 more days. How many people came? MCQ
- A garrison of 500 persons had provisions for 27 days. After 3 days a reinforcement of 300 persons arrived. For how many more days will the remaining food last now? MCQ
- A rope can make 70 rounds of the circumference of a cylinder whose radius of the base is 14cm. How many times can it go round a cylinder having radius 20 cm? MCQ
- Akash are 5 times as efficient as Biplob. Akash can finish the work 60 days earlier than Biplob. If they work individually, how many days would they take to finish the work? MCQ
- Recollecting the progress of an assignment, a group of 24 men said that they finished a project together in 10 days. Find the number of days required to complete the same work if 30 men had worked on the same project. MCQ
- Working individually, A would finish a project in 3 days. B takes double the time as taken by A, C takes one more day in addition to the time taken by B. If all three of them decide to work together on the project, how much time would they take to finish it? MCQ
- Working alone, Protik takes complete April to build a pavement. His friend Mahmud is 25% faster than him at the same work. Working alone, how many days will Mahmud take to build the same pavement? MCQ
- Two friends P & Q take a project and start working on it together. P alone can finish the project in 20 days while Q takes 5 days more than P to finish it. After working together on the project for some days, P has to leave. Q now takes 10 days to finish the remaining project alone. After how many days of working together did P leave? MCQ
- Working 8 hours a day, A can finish an assignment in 12 days while B takes 2 days less to finish it, working 2 hours more than A, every day. The contractor decides to put them to work together on the assignment. Each working day now is 8 hours. How many days will they take to finish the assignment? MCQ
- P is 30% more efficient than Q. P can complete a work in 23 days. If P and Q work together, how much time will it take to complete the same work? MCQ
- 10 men can complete a work in 7 days. But 10 women need 14 days to complete the same work. How many days will 5 men and 10 women need to complete the work? MCQ
- Anik and Shuvo are working on a special assignment. Anik needs 6 hours to type 32 pages on a computer and Shuvo needs 5 hours to type 40 pages. If both of them work together on two different computers, how much time is needed to type an assignment of 110 pages? MCQ
- P takes twice as much time as Q or thrice as much time as R to finish a piece of work. They can finish the work in 2 days if they work together. How much time will Q take to do the work alone? MCQ
- P and Q can complete a work in 15 days and 10 days respectively. They started the work together and then Q left after 2 days. P alone completed the remaining work. The work was finished in --- days. MCQ
- If the daily wages of a man is double to that of a woman, how many men should work for 25 days to earn Tk. 14400? Given that wages for 40 women for 30 days are Tk. 21600. MCQ