গাণিতিক যুক্তি
মোট ১৯৫৮২ টি প্রশ্ন · উত্তর ও ব্যাখ্যাসহ · বিনামূল্যে
১৮১০১–১৮১২০ দেখানো হচ্ছে, মোট ১৯৫৮২ টির মধ্যে
- A train left Dhaka for Chittagong at 59 km per hour and at the same time another train left Chittagong for Dhaka at 43 km per hour on the same route. How far apart were the two trains one hour before they met? MCQ
- Two trains moving in same direction run at a speed of 60 km/hr and 40 km/hr respectively. If a man sitting in slow train is passed by the fast train in 10 seconds, then what is the length of the faster train? MCQ
- A person is walking at a speed of 5 km/hr along a railway track. If he is 200 m ahead of the train which is 150 m long and runs at a speed of 60 km/hr in same direction, then what is the time required to pass the person? MCQ
- A boat covers a certain distance in half an hour downstream with the speed of 40km/hr in still water and the speed of the current is 8km/hr. Then the distance travelled by the boat is: MCQ
- Two trains of equal length are running on parallel lines in the same direction at 48km/hr and 38 km/hr. The faster train passes the slower train in 54 seconds. The length of each train is MCQ
- The speed of the boat is still water at 12 kmph. It can travel downstream through 45 kms in 3 hrs. In what time would it cover the same distance upstream? MCQ
- A train overtakes two persons who are walking in the same direction to that of the train at 2 kmph and 4 kmph and passes them completely in 9 and 10 seconds respectively. What is the length of the train? MCQ
- In a river flowing at 2 km/hr, a boat travels 40 km upstream and then returns downstream to the starting point. If its speed in still water is 6 km/hr, find the total journey time. MCQ
- A train passes two bridges of the lengths 600 m and 250 m in 100 seconds and 60 seconds respectively. The length of the train is - MCQ
- An train travels 10 miles at a speed of 50 miles per hour. How fast must the train travel on the return trip if the round-trip travel time is to be 20 minutes? MCQ
- If a pipe A can fill a tank 3 times faster than pipe B. If both the pipes can fill the tank in 32 minutes, then the slower pipe alone will be able to fill the tank in? MCQ
- 3 workers can do a job in 12 days. Two of the workers work twice as fast as the third. How long it will take if one of the faster workers do the job himself? MCQ
- Pipe A is 4 times as fast as B in filling a tank. If A takes 20 minutes to fill a tank, then what is the time taken by both the pipe A and B to fill the tank? MCQ
- Tap B is 5 times slower than Tap A in filling the same tank. Also tap B takes 32 minutes more than Tap A to fill the same tank completely. How long will the tank take to get full, if both the taps are opened simultaneously? MCQ
- Three workers can do a job in 12 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 alone? MCQ
- Two pipes X and Y together can fill a tank in 72 minutes. If the size of the pipe X is thrice as Y then Y alone can fill the tank in - MCQ
- A train 360 metre long runs with a speed of 45 km/hr. What time will it take to pass a platform 140 metre long? MCQ
- A cistern can be filled by two pipes in 20 and 30 min respectively. Both pipes being open, when must the first pipe be turned off so that so that the cistern may be filled in 10 min more? MCQ
- In a race, the speeds of A and B are in the ratio 3:4. A takes 30 minutes more than B to reach the destination. The time taken by A to reach the destination is: MCQ
- A track covers a distance of 550 metres in 1 minute whereas a bus covers a distance of 33 km in 45 minutes. The ratio of their speeds is: MCQ