গাণিতিক যুক্তি
মোট ১৯৫৮২ টি প্রশ্ন · উত্তর ও ব্যাখ্যাসহ · বিনামূল্যে
৩৩৬১–৩৩৮০ দেখানো হচ্ছে, মোট ১৯৫৮২ টির মধ্যে
- Two pipes can fill a tank in 15 and 20 minutes respectively and a waste pipe can empty 2 gallons per minute. All the three pipes working together can fill the tank in 9 minutes. The capacity of the tank is- MCQ
- A tank is filled in 9 hours by three pipes A, B and C. The pipe C is twice as fast as B and B is twice as fast as A. How much time will pipe A alone take to fill the tank? MCQ
- Two pipes P and Q together can fill a cistern in 4 hours. Had they been opened separately, then Q would have taken 6 hours more than P to fill the cistern. How much time will be taken by P to fill the cistern separately? MCQ
- A booster pump can be used to fill as to empty the tank. The capacity of the tank is 1200 m3. The emptying capacity of the tank is 10 m3 per minute higher than its filling capacity and the pump requires 4 minutes lesser to vacant the tank than it requires to fill it. Calculate the filling capacity of the pump is- MCQ
- It takes two pipes X and Y, running together, to fill a tank in 6 minutes. It takes A 5 minutes less than Y to fill the tank, then what will be the time taken by Y alone to fill the tank? MCQ
- A cistern can be filled by two taps A and B in 12 hours and 16 hours respectively. The full cistern can be emptied by a third tap C in 8 hours. If all the taps are turned on at the same time, in how much time will the empty cistern be filled completely? MCQ
- A water tank is two-fifth full.Pipe A can fill a tank in 6 minutes and pipe B can empty it in 10 minutes.If both the pipes are open,how long will it take to empty or fill the tank completely? MCQ
- A tank that was 10% full was emptied into a 50-liter bucket. If the oil now fills 40% of the bucket's volume. Then what is half of the capacity of the tank in liters? MCQ
- A pipe can fill a tank in a hours and another pipe can empty it in b (b > a) hours. If both pipes are open, in how many hours will the tank is filled? MCQ
- A petrol tank that is 1/2 full has 10 gallons petrol removed. The tank is then 1/10 full. What is the capacity, in gallons of the tank? MCQ
- Two pipes A and B can fill a cistern in 36 and 54 minutes respectively. Both pipes are opened together, after how many minutes should B be turned off, so that the cistern be fill in 24 minutes? MCQ
- A person crosses a 750 m long street in 5 minutes, What is his speed in km per hour? MCQ
- If a person walks at 18 km/h instead of 12 km/h, he would have walked 24 km more. The actual distance travelled by him is- MCQ
- In a race of 1200 m, X can beat Y by 120 m. In a 600 m, Y beats Z by 60 m. In a race of 600 m. X will beat Z by- MCQ
- A monkey climbs a 36 m high pole. In first minute he climbs 6 m and slips down 3 m in the next minute. How much time is required by it to reach the top? MCQ
- Two trains 115 meters and 95 meters long, run at the speeds of 50 kmph and 76 kmph respectively, in opposite directions on parallel tracks. The time which they take to cross each other, is- MCQ
- A, B and C can do a piece of work in 20, 30 and 60 days respectively. In how many days can A do the work if he is assisted by B and C on every third day? MCQ
- An old man is walking on a foggy road at a speed of x km/h. Due to low visibility, the old man see only up to 600 meters. If a car overtakes the man from behind with the speed of 15 km/hr then the man can see the car for 216 seconds. Find the speed of the man? MCQ
- In a race, the speeds of A and B are in the ratio of 5 : 6. A takes 20 minutes more than B takes to reach the destination. What is the time taken by A to reach the destination in hours? MCQ
- 10 women can do a work in 8 days. 8 men can complete the same work in 7 days. What is the ratio between the capacity of a man and a woman? MCQ