গাণিতিক যুক্তি
মোট ১৯৫৮২ টি প্রশ্ন · উত্তর ও ব্যাখ্যাসহ · বিনামূল্যে
৪০৪১–৪০৬০ দেখানো হচ্ছে, মোট ১৯৫৮২ টির মধ্যে
- A works twice as fast as B. If B can complete a work in 12 days immediately, the number of days in which A and B can together finish the work- MCQ
- If 8 men can reap 40 hectares in 12 days, then how many hectares can 30 men reap in 20 days? MCQ
- A garrison of ‘n’ men had enough food to last for 30 days. After 10 days, 50 more men joined them. If the food now lasted for 16 days, what is the value of n? MCQ
- Joy can knit a pair of socks in 3 days. Belal can knit the same pair of socks in 9 days. If they are knitting together, then in how many days will they knit two pairs of socks? MCQ
- Rabbi can do 1/3 of a work in 5 days. In how many days will he complete the work? MCQ
- A and B together can finish a bit of work in 12 days, B and C can do it in 20 days and C and A do it 15 days. A, B and C together can finish it in- MCQ
- An air conditioner can cool the hall in 40 miutes while another takes 60 minutes to cool under similar conditions. If both air conditioners are switched on at same instance then how long will it take to cool the room? MCQ
- The mess charges for 35 students for 24 days in Tk 6300. In how many days will the mess charges be Tk 3375 for 25 students? MCQ
- 76 ladies complete a job in 33 days. Due to some reason, some ladies did not join the work and therefore it was completed in 44 days. The number of ladies who did not report for the work is- MCQ
- A vessel contains a mixture of P and Q in the ratio of 5 : 3. 16 liters of this mixture is taken out and 5 liters of P is poured in. The new mixture has a ratio of P to Q as 11 : 6. Find the total original quantity of mixture. MCQ
- The ratio of milk and water in a solution is 20 : 7 and after adding 5 liters of water in it the ratio of milk and water becomes 5 : 3, then find the final amount of water in the final solution. MCQ
- Two vessels of equal capacity contain juice and water in the ratio of 7 : 2 and 11 : 7 respectively. The mixture of both vessels is mixed and transferred into a bigger vessel. What is the ratio of juice and water in the new mixture? MCQ
- A butler stole wine from a butt of Rony which contained 40% of spirit and he replaced what he had stolen with wine containing only 16% spirit. The butt was then 24% strength only. How much of the butt did he steal? MCQ
- A shopkeeper mixed low-quality vegetable oil costing Tk. 40 per litre with sunflower refined oil costing Tk. 80 per litre in a ratio of 2 ∶ 3 respectively. If he sold the mixture at Tk. 100 per litre, find his profit percentage. MCQ
- The capital stock of a company is Tk. 500000 and is divided into 5000 shares of common stock. If the company pays a dividend of Tk. 64000, what amount will Tofail receive for his 50 shares MCQ
- A bucket contains 64 liters of petrol. 16 liters of petrol is removed and replaced with kerosene. 16 liters of this mixture is removed and replaced with kerosene. How much kerosene (in liters) is present now? MCQ
- To produce an annual income of Tk. 1200 from a 12% stock at 90, the amount of stock required is: MCQ
- 8 liters Cold drink was added to a 20 liters mixture of water and alcohol such that the ratio of alcohol to that of cold drink and water is 1 : 3. Find the amount of alcohol in the solution. MCQ
- What yearly income can be earned by investing Tk. 14400 in 15% stock at Tk. 120? MCQ
- A mixture contains acid and water in the ratio 4 : 3. If 5 liters of water is added to the mixture, the ratio becomes 4 : 5. Find the quantity of acid in the given mixture. MCQ