গাণিতিক যুক্তি
মোট ১৯৫৮২ টি প্রশ্ন · উত্তর ও ব্যাখ্যাসহ · বিনামূল্যে
১৭৮০১–১৭৮২০ দেখানো হচ্ছে, মোট ১৯৫৮২ টির মধ্যে
- A boat can travel with a speed of 14 km/hr in still water. If the speed of the stream is 5 km/hr, find the time taken by the boat to go 76 km downstream. MCQ
- A 1300 m long train crosses a tree in 130 sec, how much time will it take to pass a platform 800 m long? MCQ
- A boat running downstream covers a distance of 24 km in 3 hours while for covering the same distance upstream, it takes 4 hours. What is the speed of the boat in still water? MCQ
- The time taken for the tail end of a train to cross a pole is 43 seconds. If the length of the train is 110 m and speed of the train is 54 km/hr. find the initial distance of the pole from the front end of the train. MCQ
- A boat covers a certain distance downstream in 1 hour, while it comes back in 7/2 hours. If the speed of the stream be 5 kmph, what is the speed of the boat in still water? MCQ
- A 250 meters long train crosses a bridge 750 meters long in 20 seconds and crosses a platform in 16 seconds. Find the length of the platform. MCQ
- Speed of a boat in standing water is 10 kmph and the speed of the stream is 2.5 kmph. A man rows to a place at a distance of 112.5 km and comes back to the starting point. The total time taken by him is: MCQ
- A 225 m long train can cover a 405 m platform in 21 seconds. Find the speed of the train in km/hr is? MCQ
- A man can row at 5 kmph in still water. If the velocity of current is 1 km/hr and it takes him 1 hour to row to place and come back, how is the place? MCQ
- A train crosses two bridges of 400 m and 160 m in 110 sec and 60 sec respectively. The length of the train is: MCQ
- The speed of a boat in still water is 17 kmph and the rate of current is 5 kmph. The distance travelled downstream in 12 minutes is : MCQ
- Two trains, each 200 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 slower train is: MCQ
- A boatman goes 2 km against the current of the stream in 1 hour and goes 1 km along the current in 10 minutes. How long will it take to go 9 km in stationary water? MCQ
- How many seconds will a 450 metre long train take to cross a man walking with a speed of 4 km/hr in the direction of the moving train if the speed of the train is 64 km/hr? MCQ
- The speed of a boat in still water is 30 km/hr. If the boat goes upstream for a distance of 25 km in 5 hours, find the speed of the stream. MCQ
- A 180 m long train crosses a milestone in 18 seconds and a train of same length coming from the opposite direction in 12 seconds. The speed of the other train is - MCQ
- A man can swim a distance of 360 m in still water in 4 minutes. If the speed of the current is 1 m / sec, how much time will he take to cover the distance of 180 m upstream? MCQ
- A 240 metre long train crosses a platform thrice its length in 60 seconds. What is the speed of the train in km/hr? MCQ
- A rowing team rows a boat and covers a distance of 18 km in 6 hours while going upstream. When they go downstream, they cover a distance of 30 km in 5 hours. Find the speed of the boat in still water? MCQ
- Two trains of equal length are running on parallel lines in the same direction at 56 km/hr and 46 km/hr. The faster train passes the slower train in 36 seconds. The length of each train is: MCQ