গাণিতিক যুক্তি
মোট ১৯৫৮২ টি প্রশ্ন · উত্তর ও ব্যাখ্যাসহ · বিনামূল্যে
১৬২২১–১৬২৪০ দেখানো হচ্ছে, মোট ১৯৫৮২ টির মধ্যে
- Two trains are moving in opposite directions 80 km/h and 100 km/h. Their lengths are 1100 m and 900 m respectively. The time taken by the slower train to cross the faster train in seconds is: MCQ
- A man takes 8 hours in walking a distance and riding back to starting place. He could walk both ways in 10 hours. The time taken by him to ride back both ways is: MCQ
- A train moves past a telegraph post and a bridge 240 m long in 8 seconds and 20 seconds respectively. What is the speed (km/h) of the train? MCQ
- How many seconds will a 800 meter long train take to cross a man walking with a speed of 6 km/h in the direction of the moving train if the speed of the train is 78 km/h? MCQ
- A runs twice as fast as B and B runs thrice as fast as C. The distance covered by C in 144 minutes, will be covered by A in: MCQ
- A 220 meters long train running at the speed of 108 kmph crosses another train running in opposite direction at the speed of 90 kmph in 9 seconds. What is the length of the other train? MCQ
- A boat takes 30 minutes less to travel 12 miles downstream than to travel the same distance upstream. If the speed of the boat in still water is 10 mph, the speed of the stream is- MCQ
- A man can row at 9 kmph in still water. If the velocity of current is 3 kmph and it takes him 1 hour to row to a place and come back, how far is the place? MCQ
- Two trains of equal length are running on parallel lines in the same direction at 52 km/h and 40 km/hr. The faster train passes the slower train in 36 seconds. The length of each train is- MCQ
- The speed of a boat in still water in 25 km/h and the rate of current is 3 km/h. The distance travelled downstream in 15 minutes is- MCQ
- Two trains start at the same time from Dhaka and Cumilla and proceed towards each other at 70 kmph and 90 kmph respectively. When they meet, it is found that one train has travelled 60 km more than the other. Find the distance between Dhaka and Cumilla. MCQ
- Subarna express normally reaches its destination at 60 km/h in 8 hours. Find the speed at which it travels to reduce the time by 3 hours? MCQ
- Two trains starting at the same time from two-stations 250 km apart and going in opposite directions, cross each other at a distance of 140 km from one of them. The ratio of their speeds is- MCQ
- A wheel of an engine of 450 cm in circumference makes 20 revolutions in 6 seconds. What is the speed of the wheel in km/h? MCQ
- A train 340 m long passes a pole in 17 seconds. How long will it take to pass a platform 660 m long? MCQ
- A man can row 1.8 kilometer against the stream in 15 minutes and down the stream in 3 minutes. The speed (in m/sec) of the man in still water is- MCQ
- A 100 m long train is going at a speed of 108 km/h. It will cross a 140 m long tunnel in- MCQ
- An Aeroplan covers a certain distance at a speed of 300 kmph in 5 hours. To cover the same distance in 5/3 hours, it must travel at a speed of- MCQ
- A train can travel 50% faster than a car. Both start from point A at the same time and reach point B 75 kms away from A at the same time. On the way, however, the train lost about 12.5 minutes while stopping at the stations. The speed of the car is- MCQ
- A man's speed with the current is 18 km/h and the speed of the current is 3 km/h. The man's speed against the current is- MCQ