গাণিতিক যুক্তি
মোট ১৯৫৮২ টি প্রশ্ন · উত্তর ও ব্যাখ্যাসহ · বিনামূল্যে
৩২২১–৩২৪০ দেখানো হচ্ছে, মোট ১৯৫৮২ টির মধ্যে
- Anik alone can do a piece of work in 6 days and Bishal alone in 8 days. Anik and Bishal undertook to do it for Tk. 5400. With the help of Dinesh, they completed the work in 3 days. How much is to be paid to Dinesh? MCQ
- If 4 workers can assemble a car in 6 hours, how long would it take 15 workers to assemble the same car? MCQ
- In a factory, 20 people can make 20 toys in 15 days working 10 hours per day. Then, in how many days can 25 persons make 30 toys working 20 hours per day? MCQ
- Three workers can do a job in 6 days. Two of the workers work twice as fast as the third. How long would it take one of the faster workers to do the job himself? MCQ
- P and Q can do a job in 3 days. Q and R can do the same job in 4 days, while R and P can do it in 12 days. In how many days the job will be finished when P, Q and R working together. MCQ
- P and Q together complete a piece of work in x days. If P alone completes the work in (x + 3) days and Q alone completes the piece of work in (x + 12) days, what is the value of 'x'? MCQ
- A can complete a piece of work in 36 days, B in 54 days and C in 72 days. All the three began the work together but A left 8 days before the completion of the work and B 12 days before the completion of work. Only C worked up to the end. In how many days was the work completed? MCQ
- An investor bought 40 shares of Tk 100 each at Tk 125 per share. If the dividend is 6%, what is the yield percent? MCQ
- In what ratio should milk costing Tk 40 per litre be mixed with milk costing Tk 60 per litre to get a mixture worth Tk 50 per litre? MCQ
- A person wants an annual income of Tk 2,400 from a stock paying 8% dividend. If the market price of the Tk 100 stock is Tk 120, how much should he invest? MCQ
- A shopkeeper mixes 3 litres of water with 15 litres of milk costing Tk 60 per litre and sells the whole at cost price. What is the profit percentage? MCQ
- A 4% stock yields 5%. The market value of the stock of face value Tk. 100 is- MCQ
- In 60 litres of mixture, milk and water are in 3 : 2. How much water to add to make it 1 : 1? MCQ
- By investing Tk. 1500 in a 10% stock , a man obtains an income of Tk. 150. Find the market price of the stock. MCQ
- From 50 L wine, 10 L is removed and replaced with water. Process repeated twice. Wine left = ? MCQ
- Which is the better investment: 9% stock at Tk 90 or 12% stock at Tk 120? MCQ
- How much water must be added to 20 L of 30% salt solution to make it 20%? MCQ
- A man bought 40 shares of Tk 100 each at Tk 95 and sold them at Tk 110. What is his total gain? MCQ
- A merchant has 1000kg of sugar, part of which he sells at 8% profit and the rest at 18% profit. He gains 14% overall. The quantity sold at 18% profit is- MCQ
- A and B are two alloys of gold and copper prepared by mixing metals in the ratios 7 : 2 and 7 : 11 respectively. If equal quantities of the alloys are melted to form a third alloy C, then the ratio of gold and copper in alloy C will be - MCQ