গাণিতিক যুক্তি
মোট ১৯৫৮২ টি প্রশ্ন · উত্তর ও ব্যাখ্যাসহ · বিনামূল্যে
১৭৬০১–১৭৬২০ দেখানো হচ্ছে, মোট ১৯৫৮২ টির মধ্যে
- A and B can together finish a work in 30 days. They worked together for 20 days and then B left. After another 20 days, A finished the remaining work. In how many days A alone can finish the job? 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
- 5 men and 2 boys working together can do four times as much as work as a man and a boy. Working capacities of a man and a boy are in the ratio - MCQ
- A and B can do a piece of work in 28 days and 35 days respectively. They began to work together but A leaves after some time and B completed the remaining work in 17 days. After how many days did A leave? MCQ
- In a dairy farm, 40 cows eat 40 bags of husk in 40 days. In how many days one cow will eat one bag of husk? MCQ
- If 3 men or 6 boys can do a piece of work in 16 days, working 7 hours a day; how many days will it take to complete a piece of work twice as large with 6 men and 2 boys working together for 8 hours a day? MCQ
- In a camp, there is a meal for 120 men or 200 children. If 150 children have taken the meal, how many days men will be catered to with the remaining meal? MCQ
- The ratio of income and expenditure of a person is 5 : 3 per annum. If he saves Tk 24000 per annum, his monthly income is - MCQ
- If A : B = 2 : 3 and B : C = 4 : 5 then A : C is - MCQ
- What is the mean proportional of √5 and √125? MCQ
- What is the difference between the third proportional of 12 and 18, and mean proportional of 9 and 25? MCQ
- 80% of a number is equal to the 4/5th of the other number. What is the ratio between the first number and the second number respectively? MCQ
- The income of A, B, and C are in the ratio 7 : 9 : 12 and their spending are in the ratio 8 : 9 : 15. If A saves 1/4 th of his income then the savings of A, B, and C are in the ratio of - MCQ
- In what ratio a mixture of 30% alcohol strength be mixed with that of 50% alcohol strength so as to get a mixture of 45% alcohol strength? MCQ
- In what ratio must tea at Tk 62 per kg be mixed with at Tk 72 per kg so that the mixture must be worth Tk 64.5 per kg? MCQ
- A, B, and C invested Tk 50,000 for a business. A invested Tk 4000 more than B and B Tk 5000 more than C. Out of a total profit of Tk 35,000, A receives - MCQ
- A and B invest in a business in the ratio 3 : 2. If 5% of the total profit goes to charity and A's share is Tk 1425, the total profit is- MCQ
- A starts a business with Tk 3500 and after 5 months, B joins with A as his partner. After a year, the profit is divided in the ratio 2 : 3. What is B's contribution in the capital? MCQ
- Tk. 1400 is divided among A, B, C so that A receives half as much as B and B half as much as C. Then C's share is - MCQ
- If two times A is equal to three times of B and also equal to four times of C, then A : B : C is - MCQ