গাণিতিক যুক্তি
মোট ১৯৫৮২ টি প্রশ্ন · উত্তর ও ব্যাখ্যাসহ · বিনামূল্যে
১৮৯২১–১৮৯৪০ দেখানো হচ্ছে, মোট ১৯৫৮২ টির মধ্যে
- A can do a piece of work in 14 days which B can do in 21 days. They begin together but 3 days before the completion of the work, A leaves off. The total number of days required to complete the work is - MCQ
- A, B, and C can do a piece of work in 20, 30, and 60 days respectively. In how many days can A do the work if he is assisted by B and C on every third day? MCQ
- Seven men can complete a work in 12 days. They started the work and after 5 days, two men left. In how many days will the work be completed by the remaining men? MCQ
- 12 men complete a work in 9 days. After they have worked for 6 days, 6 more men join them. How many days will they take to complete the remaining work ? MCQ
- If a typist can type 125 pages, 36 lines each, 11 words to each line in 5 days, how many pages of 30 lines each and 12 words to each line can he type in 6 days? MCQ
- If 2 men or 6 women or 4 boys can finish a work in 99 days, how many days will one man, one woman, and one boy together take to finish the same work? MCQ
- If 12 men and 16 boys can do apiece of work in 5 days; 13 men and 24 boys can do it in 4 days, then the ratio of the daily work done by a man to that of a boy is - MCQ
- 12 men can do a piece of work in 24 days. How many days are needed to complete the work, if 8 men do this work? MCQ
- 56 men complete a piece of work in 24 days. In how many days can 42 men complete the same piece of work? MCQ
- Running at the same constant rate, 6 identical machines can produce a total of 180 bottles per hour. How many bottles are such 15 machines could produce in 30 minutes? MCQ
- If 18 pumps can raise 2170 tonnes of water in 10 days, working 7 hours a day; in how many days will 16 pumps raise 1736 tonnes of water, working 9 hours a day? MCQ
- 21 binders can bind 1400 books in 15 days. How many binders will be required to bind 800 books in 20 days? MCQ
- A certain number of artisans can complete a shoe fabrication consignment in 16 days. 8 additional artisans had to be deployed for the same consignment and together they completed it in 4 days less than the earlier estimate. The number of artisans initially employed was - MCQ
- 20 men completed 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
- 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
- A contractor employed 30 men to do a piece of work in 38 days. After 25 days, he employed 5 men more and the work was finished one day earlier. How many days he would have been behind if he had not employed additional men? MCQ
- A teacher has 3 hours to grade all the papers submitted by the 35 students in her class. She gets through the first 5 papers in 30 minutes. How much faster does she have to work to grade the remaining papers in the allotted time? MCQ
- Adults can do a job twice as fast as children. If x adults can complete a job in d days, how many children can do the same job in d + 2 days? MCQ
- 55 men can finish a work in 42 days. How many additional men must be engaged to complete the work 9 days earlier? MCQ
- X can do a piece of work in 24 days. When he had worked for 4 days. Y joined him. If complete work was finished in 16 days, Y can alone finish that work in - MCQ