গাণিতিক যুক্তি
মোট ১৯৫৮২ টি প্রশ্ন · উত্তর ও ব্যাখ্যাসহ · বিনামূল্যে
৩২৪১–৩২৬০ দেখানো হচ্ছে, মোট ১৯৫৮২ টির মধ্যে
- Fresh grapes contain 80% water by weight, while dry grapes contain only 20% water. If a person has 100 kg of fresh grapes, how many kilograms of dry grapes can be obtained from them after drying? MCQ
- Gold is 19 times as heavy as water and copper is 9 times as heavy as water. In what ratio should these be mixed to get an alloy 15 times as heavy as water? MCQ
- The number of students in 3 classes is in the ratio of 2 : 3 : 4. If 12 students are increased in each class, this ratio changes to 8 : 11 : 14. The total number of students in the three classes at the start was- MCQ
- The salaries of A, B and C are in the ratio 1 : 3 : 4. If the salaries are increased by 5%, 10% and 15% respectively, then the increased salaries will be in the ratio MCQ
- If A and B are in the ratio 3:4 and B and C are in the ratio 12:13, then A and C will be in the ratio. MCQ
- Three numbers A, B and C are in the ratio 1 : 2 : 3. Their average is 600. If A is increased by 10% and B is decreased by 20%, then to get the average increased by 5%, C will be increased by- MCQ
- A bag contains red, blue, and green balls in the ratio 3 : 5 : 7. If there are 45 blue balls, how many total balls are there in the bag? MCQ
- A and B start a business by investing Tk 20,000 and Tk 30,000 respectively. After one year, the profit is Tk 10,000. What is A's share of the profit? MCQ
- A jar contains black and white marbles. If there are ten marbles in the jar, then which of the following could not be the ratio of black to white marbles? MCQ
- A, B, and C invest in a business in the ratio 3 : 4 : 5. If the total profit is Tk 24,000, how much more did C get than A? MCQ
- The sum of money is divided among 160 males and some females in the ratio 16 : 21. Individually, each male gets Tk 4 and a female Tk 3. The number of females is- MCQ
- If A invests Tk 5,000 for 12 months and B invests Tk 6,000 for 10 months, what is the ratio of their profits? MCQ
- 80% of a number is equal to the (4/5)th of the other number. What is the ratio between the first number and the second number? MCQ
- A and B started a business. A invested Tk 15,000 for 12 months, and B invested Tk 10,000 for 6 months. After 6 months, B added Tk 5,000 more. If the total profit is Tk 11,000, what is B's share? MCQ
- The sides of a triangle are in the ratio (1/2) : (1/3) : (1/4), and its perimeter is 104 cm. The length of the long side is- MCQ
- A and B start a business. A invests Tk 1,00,000 and B invests Tk 50,000. A works, B is a sleeping partner. A gets 20% of the profit for management. If total profit is Tk 30,000, what is A’s total share? MCQ
- A man distributes Tk.16500 among his daughter, wife and son in such a manner that the daughter's share and the wife's share are of 1 : 2 ratio, and the son gets half of the total amount. Find the daughter's share? MCQ
- If Profit = 25 Taka and Cost Price = 125 Taka, what is the profit percentage? MCQ
- A man sells a watch for 960 Taka and loses 20%. What was the cost price? MCQ
- The cost price of 20 articles is the same as the selling price of x articles. If the profit is 25%, then the value of x is: MCQ