গাণিতিক যুক্তি
মোট ১৯৫৮২ টি প্রশ্ন · উত্তর ও ব্যাখ্যাসহ · বিনামূল্যে
৩৭৪১–৩৭৬০ দেখানো হচ্ছে, মোট ১৯৫৮২ টির মধ্যে
- If 10 men can dig a pit in 8 days, how many men are required to dig half the pit in 4 days? MCQ
- A contractor employs 30 men to complete a project in 40 days. After 16 days, only 40% of the work is completed. How many additional men should the contractor employ to finish the project on time? MCQ
- If 20 workers can complete a road construction in 45 days by working 6 hours a day, how many workers are required to complete the same construction in 30 days by working 9 hours a day? MCQ
- A factory produces 300 units in 15 days with 10 machines working 8 hours a day. How many machines are needed to produce 500 units in 10 days working 6 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 men will be catered to with remaining meal? MCQ
- In what ratio must two kinds of sugar at Tk. 115 and Tk. 124 per kg be mixed so that by selling at Tk. 150 per kg, 25% may be gained? MCQ
- How much water be mixed in 36 litre of milk worth Tk. 4.80 per litre, so that value of mixture is Tk. 3.60 per litre? MCQ
- If annual income from 6% stock at 80 is Tk. 50 more than 7% stock at 120, then the investment is- MCQ
- How many kg of Sugar at Tk. 50 per kg must a man mix with 25 kg of sugar at Tk. 34 per kg so that by selling the mixture at Tk. 44 per kg he gains 10% on the outlay? MCQ
- How much sugar at Tk. 95 a kg should be added to 17 kg of tea at Tk. 200 a kg so that the mixture be worth Tk. 130 a kg.? MCQ
- A hospital uses a mixture of salt and water at Tk. 7.62/litre. This mixture contains 5% salt. Another mixture containing 75% water costs Tk. 7.82/litre. How much does the patient pay if he buys 5 litres of mixture containing 18% salt? MCQ
- How many kg of custard powder costing Tk. 42 per kg must be mixed with 16 kg of custard powder costing Tk. 60 per kg so that 20 % may be gained by selling the mixture at Tk. 60 per kg? MCQ
- A man invested Tk. 45000 when he bought Tk. 100 shares at Tk. 150. If 20% dividend is declared, find his annual income. MCQ
- A vessel is full of mixture of spirit and water in which there is 20% of spirit. 5 litres are drawn off and the vessel is filled up with water. If the spirit is now 12%, find the total quantity in the vessel (in ltrs). MCQ
- How much chicory at Tk. 5 a kg should be added to 20 kg of coffee at Tk. 12 a kg so that the mixture be worth Tk. 7.50 a kg? MCQ
- How many shares of market value Tk. 25 can be purchased for Tk. 15775? MCQ
- An alloy of copper and nickel contains 65% copper. A second alloy contains copper and nickel in the ratio 17 : 3. In what ratio should the two alloys be mixed so that the new mixture contains 4 times as much copper as nickel? MCQ
- Five litres of wine is removed from a cask full of wine and is replaced with water. Five litres of this mixture is then removed and replaced with water. If the ratio of wine to water in the cask is now 16 : 9, how much wine did the cask hold? MCQ
- A man purchased 300 shares of the face value of Tk. 100 each from the market at Tk. 800 per share. If a dividend of 24% is declared, find his earning percent on the investment. MCQ
- The ratio of three numbers is 3 : 4 : 5 and the sum of their squares is 5000. The sum of the numbers is: MCQ