গাণিতিক যুক্তি
মোট ১৯৫৮২ টি প্রশ্ন · উত্তর ও ব্যাখ্যাসহ · বিনামূল্যে
৩৬২১–৩৬৪০ দেখানো হচ্ছে, মোট ১৯৫৮২ টির মধ্যে
- Two pipes that can fill a cistern in 5 hours and 8 hours respectively were used to fill two same-sized cisterns. How much time will it take to fill both the cisterns? MCQ
- An ingoing pipe was used to fill a tank. But while using an outgoing pipe that can pour water in 10 hours at the same time, it took 8 hours to fill the tank. The ingoing pipe can fill the tank alone in - MCQ
- A pipe can fill 1/6th of a tank in 30 minutes. How much time will it take to fill two tanks? MCQ
- An outgoing pipe pours water at half the amount of an ingoing pipe. After 4 hours of running both pipes, a tank was filled. If the outgoing pipe was closed, how much time would it take to fill the tank with the ingoing pipe? MCQ
- After filling half of a tank with an ingoing pipe that can fill the tank in 8 hours, an outgoing pipe was attached to empty the tank in 10 hours. How much time will it take to fill the whole tank? MCQ
- A pipe can fill a cistern in just 4 hours. It took 8 hours to fill the tank after attaching an outgoing pipe to it at the same time. In how much time alone the outgoing pipe can empty the cistern? MCQ
- A pipe was used to fill a cistern in 10 hours but after working for 7 hours it stopped. another pipe that has the capacity to fill the tank in 20 hours was replaced to fill the rest of the tank. How much time will it take to fill the rest of the tank by the second pipe? MCQ
- A cistern is to be filled by a pipe of capacity 12 hours per cistern. But after every 2 hours, 1/20th of the cistern got empty. How much time will take to fill the full cistern? MCQ
- A pipe can fill 1/8th of a tank in 1 hour. After filling 1/2 of the tank there was a resting period of 2 hours. The rest of the tank was filled simultaneously. What is the average time to fill the 1/8th of the tank? MCQ
- An outgoing pipe pours water at 10 liters per hour. A cistern of capacity 200 liters was 4/5th full. How much time will the outgoing pipe take to empty the cistern? MCQ
- Some tanks of capacity 720 liters are meant to be filled by three pipes of capacity of loading water at 50 liters, 25 liters, and 15 liters in 10 minutes respectively. In one day they together can fill - MCQ
- Two outgoing pipes, where the first one is double the efficiency of the second one. Both pipes together can empty a tank in just 4 hours. What is the pouring capacity of the first pipe in one hour? MCQ
- A person crosses an 800m long street in 5 minutes. What is his speed in km per hour? MCQ
- Two, trains, one from Sylhet to Dhaka and the other from Dhaka to Sylhet, start simultaneously. After they meet, the trains reach their destinations after 16 hours and 25 hours respectively. The ratio of their speeds is- MCQ
- A boy traveled from Dhaka to Comilla at 20kmph and from Comilla to Dhaka at 30kmph. What is his average speed? MCQ
- Nibir, while going to school, passes 200m in 2 minutes, waits for his friend for 5 minutes, and then crosses the next 600m in 4kmph. What is his average speed? MCQ
- Pavel and Rajib started from the opposite direction of a 10km racing track. Their speed is 15kmph and 10kmph respectively. After which time they will meet if they start simultaneously? MCQ
- A takes 30 minutes more than B to reach a destination. The speeds of A and B are in the ratio 4 : 6. Time in which A reaches the destination? MCQ
- A mouse started to run at a speed of 10m/s seeing a cat 200m away. The cat noticed the mouse and started to run at a speed of 12m/s at the same time and same direction. How much time does the cat need to catch the mouse? MCQ
- A beats B by 100 m and C by 150 m in a kilometer race. In the same race, by how many meters does B beat C in that race? MCQ