গাণিতিক যুক্তি
মোট ১৯৫৮২ টি প্রশ্ন · উত্তর ও ব্যাখ্যাসহ · বিনামূল্যে
৩৯৪১–৩৯৬০ দেখানো হচ্ছে, মোট ১৯৫৮২ টির মধ্যে
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MCQ -
= ? MCQ - An outlet pipe can empty a cistern in 4 hours. In what time will it empty 3/4 part of the cistern? MCQ
- A pipe can fill a tank in m hours and another pipe can empty it in n (n > m) hours. If both pipes are open, in how many hours will the tank is filled? MCQ
- Three pipes A, B and C can fill a tank in 6 hours. After working at it together for 2 hours, C is closed and A and B can fill the remaining part in 6 hours. The number of hours taken by C alone to fill the tank is MCQ
- A swimming pool is filled by three pipes with uniform flow. The first two pipes operating simultaneously fill the pool in the same time during which the pool is filled by the third pipe alone. The second pipe fills the pool 5 hours faster than the first pipe and 4 hours slower than the third pipe. The time required by the first pipe is? MCQ
- A pump can fill a tank with water in 2 hours. Because of a leak, it took 140 minutes to fill the tank. The leak can drain all the water of the tank in- MCQ
- A tank is 30% full with water. If 18 liters of water is added the tank becomes 3/4 full. What is the capacity of the tank? MCQ
- Two pipes A and B can fill a tank in 30 and 20 minutes respectively. If both the pipes are used together, then how long will it take to fill the tank? MCQ
- A tank can be filled by pipe A in 2 hours and pipe B in 6 hours. At 10 A.M. pipe A was opened. At what time will the tank be filled if pipe B is opened at 11 A.M.? MCQ
- A leak in the bottom of a tank can empty the whole tank in 8 hours. An inlet pipe fills water are the rate of 6 liters a minute. When the tank is full, the inlet is opened, and due to the leak, the tank is empty in 12 hours. How many liters does the tank hold? MCQ
- In 1 minute 3/7 of a bucket is filled. The rest of the bucket can be filled in MCQ
- A tank can be filled by pipe A in 5 hours and emptied by pipe B in 8 hours respectively. How much time will it take for the tank to be half full? MCQ
- A tank is filled in 5 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
- Traveling at a speed of 50 kmph, how long is it going to take to travel 60 km? MCQ
- A train traveling at 60 kmph crosses a man in 6 seconds. What is the length of the train? MCQ
- A person travels from one place to another at 30 km/hr and returns at 120 km/hr. If the total time taken is 5 hours, then find the Distance. MCQ
- A man travels from his home to office at 4 km/hr and reaches his office 20 min late. If the Speed had been 6 km/hr he would have reached 10 min early. Find the distance from his home to office. MCQ
- A man decided to cover a distance of 6 km in 84 minutes. He decided to cover two thirds of the distance at 4 kmph and the remaining at some different speed. Find the speed after the two third distance has been covered. MCQ
- While going to office, Salman travels at a speed of 30 kmph and on his way back, he travels at a speed of 45 kmph. What is his average speed of the whole journey? MCQ