গাণিতিক যুক্তি
মোট ১৯৫৮২ টি প্রশ্ন · উত্তর ও ব্যাখ্যাসহ · বিনামূল্যে
১৬৭৮১–১৬৮০০ দেখানো হচ্ছে, মোট ১৯৫৮২ টির মধ্যে
- A Boat takes a total 10 hours for traveling downstream from point A to point B and coming back point C which is somewhere between A and B. The speed of the Boat in still water is 9 km/hr and rate of stream is 3 km/hr, then what is the distance between A and B if the ratio of distance between A to C and distance between B to C is 2 : 1? MCQ
- The time taken by a train 180 m long, travelling at 42 kmph, in passing a person walking in the same direction at 6 kmph, will be - MCQ
- Two trains start from stations A and B and travel towards each other at a speed of 50 kmph and 60 kmph respectively. A the time of their meeting, the second train had travelled 120 km more then the first. The distance between A and B is : MCQ
- Two trains of equal length are running on parallel lines in the same direction at 50 km/hr and 60 km/hr. The faster train passes the slower train in 72 seconds. The length of each train is: MCQ
- The ratio between the speed of a bus and train is 15 : 27 respectively. Also, a car covered a distance of 720 km in 9 hours. The speed of the Bus is three-fourths the speed of the car. How much distance will the train cover in 7 hours? MCQ
- If a person walks at 14 km/hr instead of 10 km/hr, he can cover 20 km more. The actual distance travelled by him is - MCQ
- A man can row upstream at 24km/hr and downstream at 16km/hr. The man rowing speed in still water is? MCQ
- The length of the train that takes 8 seconds to pass a pole when it runs at a speed of 36 km/hr is- MCQ
- An inspector notices a thief from a distance of 200 meters after this thief starts running and the inspector chases him. The inspector and the thief run at the speed of 11 km/hr and 10 km/hr respectively. The distance between them after 6 minutes is? MCQ
- Two trains of equal length, running in opposite directions, pass a pole in 24 and 12 seconds. The train will cross each other in - MCQ
- A train 108 m long moving at a speed of 50 km/hr crosses a train 112 m long coming from opposite direction in 6 seconds. The speed of the second train is _____ MCQ
- A motorboat, whose speed is 15 km/hr in still water goes 30 km downstream and comes back in a total of 4 hours 30 minutes. What is the downstream speed in km/hr? MCQ
- The speed of a boat in still water is 10km/hr. If it can travel 26km downstream and 14 km upstream in same time, the speed of the stream is : MCQ
- A train passes two bridges of length 800 m and 400 m in 100 seconds and 60 seconds respectively. The length of the train is - MCQ
- If the probability of rain on any given day in City Rangpur is 50 percent, what is the probability that it rains on exactly 2 days in a 4-day period? MCQ
- How many parallelograms will be formed if 7 parallel horizontal lines intersect 6 parallel vertical lines? MCQ
- A letter is taken out at random from 'ASSISTANT' and another is taken out from 'STATISTICS'. The probability that they are the same letter is : MCQ
- 6Pm = 360, 6Cm = 15, what is the value of m? MCQ
- A bag contains 4 red and 6 black balls. A ball is drawn at random from the bag, its colour is observed and this ball along with two additional balls of the same colour are returned to the bag. If now a ball is drawn at random from the bag, then the probability that this drawn ball is red is : MCQ
- In a survey among the readers of newspapers, it was found that 65 persons read the Prothom Alo, 40 persons read the Bhorer Kagoj, 45 read the Janakantho, 52 read the Jugantor. If one person is chosen at random from there readers, what is the probability that the person doesn't read the Jugantor? MCQ