গাণিতিক যুক্তি
মোট ১৯৫৮২ টি প্রশ্ন · উত্তর ও ব্যাখ্যাসহ · বিনামূল্যে
১৮০৮১–১৮১০০ দেখানো হচ্ছে, মোট ১৯৫৮২ টির মধ্যে
- A person borrows Tk. 5,000 for 2 years at 4% p.a. simple interest. He immediately lends it to another person at 25/4 % per annum for 2 years. Find his gain in the transaction per year. MCQ
- A boy runs opposite to that of a train at a speed of 20 km/hr. If the relative speed between the train and the boy running in the opposite direction is 60 km/hr. What is the length of the train, if it takes 20 seconds to cross the boy, when he is at rest? MCQ
- The speed of a boat along the stream is 9 km/hr and against the stream is 7 km/hr. What is the time taken by the boat to sail 64 km in still water? MCQ
- Two trains running in opposite directions cross a man standing on the platform in 29 seconds and 17 seconds respectively and they cross each other in 23 seconds. The ratio of their speeds is - MCQ
- The ratio of the speed of boat in still water to the speed of stream is 16 : 5. A boat goes 16.5 km in 45 minute upstream, find the time taken by boat to cover the distance of 21 km downstream. MCQ
- A 120 m long train passed a pole in 12 seconds. How long will it take to pass a 450 m long platform? MCQ
- A boat takes 10 hours to cover a distance while traveling upstream, whereas while travelling downstream it takes 9 hours. If the speed of the current is 4 kmph, what is the speed of the boat in still water? MCQ
- A moving train, 66 metres long, overtakes another train of 88 metres long, moving in the same direction in 0.168 minutes. If the second train is moving at 40 km/hr, at what speed is the first train moving ? MCQ
- A boat takes half time in moving a certain distance downstream than upstream. The ratio of the speed of the boat in still water and that of the current is? MCQ
- A boat can travel 36 km upstream in 5 hours. If the speed of the stream is 2.4 km/hr, how much time will the boat take to cover a distance of 96 km downstream? MCQ
- Two trains, each 120 m long, moving in opposite directions, cross each other in 8 seconds. If one is moving twice as fast the other, then the speed of the faster train is: MCQ
- A boat can travel from point A to point B and return back to point A in 10 hours. Speed of the boat in still water is 8 km/h and the speed of the stream is 4 km/h. Find the distance between A and B. MCQ
- Two trains 100m and 95m long run at the speeds of 45kmph and 72 kmph respectively in opposite directions on parallel tracks. The time which they take to cross the each other is - MCQ
- If a boat goes 7km upstream in 42 minutes and the speed of the stream is 4kmph, then the speed of the boat in still water is- MCQ
- Two stations P and Q are 155 km apart on a straight track. One train starts from P at 7 a.m. and travels towards Q at 20 kmph. Another train starts from Q at 8 a.m. and travels towards P at a speed of 25kmph. At what time will they meet? MCQ
- Two boats A and B start towards each other from two places, 135 km apart. Speed of the boats A and B in still water are 12 km/h and 15 km/h respectively. If A proceeds down and B up the stream, they will meet after: MCQ
- A boat runs at 22 km per hour along the stream and 10 km per hour against the stream. Find the ratio of speed of the boat in still water to that of the speed of the stream. MCQ
- Two trains are running in opposite directions at the same speed. The length of each train is 120 metres. If they cross each other in 24 seconds, the speed of each train (in km/hr) is MCQ
- Two boats, traveling at 5 and 10 kms per hour, head directly towards each other. They begin at a distance of 20 kms from each other. How far apart are they (in kms) one minute before they collide? MCQ
- A train has a length of 150 metres. It is passing a man who is moving at 4 km/hr in the same direction of the train, in 3 seconds. Find out the speed of the train? MCQ