গাণিতিক যুক্তি
মোট ১৯৫৮২ টি প্রশ্ন · উত্তর ও ব্যাখ্যাসহ · বিনামূল্যে
১৮১৬১–১৮১৮০ দেখানো হচ্ছে, মোট ১৯৫৮২ টির মধ্যে
- 20 men complete one-third of a piece of work in 20 days. How many more men should be employed to finish the rest of the work in 25 more days ? MCQ
- The cost of 21 pencils and 9 clippers is Tk. 819. The cost price of 7 pencils and 3 clippers is = ? MCQ
- The cost of 8 fans and 14 ovens is Tk. 36520. What is the cost of 12 fans and 21 ovens ? MCQ
- A rope makes 70 rounds of the circumference of a cylinder whose radius of the base is 14 cm. How many times can it go round a cylinder with radius 20 cm ? MCQ
- 12 men and 18 boys, working 15/2 hours a day, can do a piece of work in 60 days. If a man works equal to 2 boys, then how many boys will be required to help 21 men to do twice the work in 50 days, working 9 hours a day ? MCQ
- A wall of 100 meters can be built by 7 men or 10 women in 10 days. How many days will 14 men and 20 women take to build a wall of 600 metres ? MCQ
- 50 people consume 350 kg of rice in 30 days. In how many days will 35 people consume 50 kg of rice? MCQ
- An industrial loom weaves 0.128 metres of cloth every second. Approximately, how many seconds will it take for the loom to weave 25 metres of cloth? MCQ
- On a certain map of India the actual distance of 1450 km between two cities Teknaf and Tetulia is shown as 5 cm. What scale is used to draw the map? MCQ
- If A and B together can complete a work in 18 days, A and C together in 12 days, and B and C together in 9 days, then B alone can do the work in: MCQ
- A and B together can complete a work in 3 days. They start together but after 2 days, B left the work. If the work is completed after two more days, B alone could do the work in MCQ
- While working 7 hour a day, A alone can complete a piece of work in 6 days and B alone in 8 days. In what time would they complete it together, 8 hour a day? MCQ
- If 10 men can do a piece of work in 12 days, the time taken by 12 men to do the same piece of work will be: MCQ
- A cistern can be filled by two pipes in 20 and 30 minutes respectively. Both pipes being opened, when the first pipe must be turned off so that the cistern may be filled in 10 minutes more. MCQ
- Two pipes can fill an empty tank separately in 24 minutes and 40 minutes respectively and a third pipe can empty 30 gallons of water per minute. If all three pipes are open, empty tanks become full in one hour. The capacity of the tank (in gallons) is: MCQ
- Two pipes, P and Q can fill a cistern in 12 and 15 minutes respectively. Both are opened together, but at the end of 3 minutes, P is turned off. In how many more minutes will Q fill the cistern? MCQ
- A tank can be filled with water by two pipes A and B together in 36 minutes. If the pipe B was stopped after 30 minutes, the tank is filled in 40 minutes. The pipe B can alone fill the tank in: MCQ
- A, B and C completed a work costing Tk. 1800. A work for 6 days, B for 4 days and C for 9 days. If their daily wages are in the ratio of 5 : 6 : 4, how much amount will be received by A? MCQ
- A man and a boy received Tk. 800 as wages for 5 days for the work they did together. The man's efficiency in the work was thrice times that of the boy. What are the daily wages of the boy? MCQ
- Subhash can copy 50 pages in 10 hours; Subhash and Prakash together can copy 300 pages in 40 hours. In how much time can Prakash copy 30 pages? MCQ