গাণিতিক যুক্তি
মোট ১৯৫৮২ টি প্রশ্ন · উত্তর ও ব্যাখ্যাসহ · বিনামূল্যে
১৭১২১–১৭১৪০ দেখানো হচ্ছে, মোট ১৯৫৮২ টির মধ্যে
- Rina and Trina walk from same point in opposite directions at the rate 3 km/hr and 2 km/hr respectively. How far will they be from each other after 3 hrs? MCQ
- A pipe can fill a tank in x hours and another pipe can empty it in y (y > x) hours. If both pipes are open, in how many hours will the tank is filled? MCQ
- A farmer travelled a distance of 61 km in 9 hours. He travelled partly on foot 4 km/hr and partly on bicycle at 9 km/hr. The distance travelled on foot is: MCQ
- How much time does a train 50 m long, moving at 68 km/hr takes to pass another train 75 m long moving at 50 km/hr in the same direction? MCQ
- An aeroplane covers a certain distance at a speed of 240 kmph in 5 hours. To cover the same distance in 5/3 hours, it must travel at a speed of: MCQ
- A runs twice as fast as B and B runs thrice as fast as C. The distance covered by C in 72 minutes, will be covered by A in: MCQ
- A large tanker can be filled by two pipes A and B in 60 minutes and 40 minutes, respectively. How many minutes will it take to fill the empty tanker if only B is used in the first-half of the time and A and B are both used in the second-half of the time? MCQ
- Three runners A, B and C run a race, with runner A finishing 12 metres ahead of runner B and 18 metres ahead of runner C, in another race of same type runner B finished 8 metres ahead of runner C. Each runner travels the entire distance at a constant speed. The length of the race is: MCQ
- From two places, 60 km apart, A and B start towards each other at the same time and meet each other after 6 hours. If A traveled with 2/3 of his speed and B traveled with double of his speed, they would have met after 5 hours. The speed of A is: MCQ
- Three pipes A, B and C can fill a tank from empty to full in 30 minutes, 20 minutes, and 10 minutes respectively. When the tank is empty, all the three pipes are opened. A, B and C discharge chemical solutions P, Q and R respectively. What is the proportion of the solution R in the liquid in the tank after 3 minutes? MCQ
- If a person walks at 14 km/hr instead of 10 km/hr, he would have walked 20 km more. The actual distance travelled by him is: MCQ
- The capacity of containing water of a tank is 8000 litres. The length of the tank is 2.56 metres and breadth is 1.25 metres. What is the depth of the tank? MCQ
- A man travels the distance of his journey 3/4 by bus, 1/6 by rickshaw and remaining 2 km on foot. The total distance travelled by the man is: MCQ
- Each wheel of a car is making 5 revolutions per second. If the diameter of a wheel is 84 cm, then the speed of the car in cm/sec would be: MCQ
- Excluding stoppages, the speed of a bus is 54 kmph and including stoppages, it is 45 kmph. For how many minutes does the bus stop per hour? MCQ
- The distance between places A and B is 999 km. An express train leaves place A at 6 am and runs at a speed of 55.5 km/hr. The train stops on the way for 1 hour 20 minutes. It reaches B at: MCQ
- Two pipes A and B can separately fill a cistern in 50 minutes and 60 minutes respectively. There is a third pipe in the bottom of the cistern to empty it. If all three pipes are simultaneously opened then the cistern is full in 30 minutes. In how much time the third pipe alone can empty the cistern? MCQ
- A man walk a certain distance and rides back in 4 hours 30 minutes. He could ride both ways in 3 hours. The time required by the man to walk both ways is: MCQ
- One pipe can fill a tank three times as fast as another pipe. If together the two pipes can fill the tank in 36 minutes, then the slower pipe alone will be able to fill the tank in- MCQ
- A man takes 6 hours 15 minutes in walking a distance and riding back to starting place. He could walk both ways in 7 hours 45 minutes. The time taken by him to ride back both ways is: MCQ