গাণিতিক যুক্তি
মোট ১৯৫৮২ টি প্রশ্ন · উত্তর ও ব্যাখ্যাসহ · বিনামূল্যে
১৭৫৪১–১৭৫৬০ দেখানো হচ্ছে, মোট ১৯৫৮২ টির মধ্যে
- Two pipes A and B can fill a pool in 5 hours and 6 hours respectively. If both pipes work together, how long will it take to fill the pool? MCQ
- If kamal travels 20 km/hr, he reaches the office 10 minutes late and if he travels at 25 km/hr, he reaches the office 5 minutes earlier. The office is at a distance of. MCQ
- A boy rides his bicycle 10 km at an average speed of 12 km/hr. and again travels 12km at an average speed of 10km/hr. His average speed of for the entire trip is approximately MCQ
- A person crosses a 900 m long street in 5 minutes. What is his speed in km per hour? MCQ
- The ratio between the speeds of two trains is 5 : 6. If the second train runs 270 km in 3 hours, then the speed of the first train is: MCQ
- Sharif travelled a distance of 41 km in 9 hours. He travelled partly on foot 3 km/hr and partly on bicycle 9 km/hr. The distance travelled on bicycle is: MCQ
- A boy on travels first 120 km at 40 km/hr and the next 150 km at 50 km/hr. The average speed for the first 270 km is: MCQ
- If a person walks at 18 km/hr instead of 12 km/hr, he would have walked 25 km more. The actual distance travelled by him is: MCQ
- Two pipes A and B can fill a tank in 45 and 30 minutes respectively. If both the pipes are used together, then how long will it take to fill the tank? MCQ
- An outlet pipe can empty a cistern in 9 hours. In what time will it empty 2/3 part of the cistern? MCQ
- The average speed of a bus is one-third of the speed of a train. The train covers 1200 km in 16 hours. How much distance will the bus cover in 48 minutes? MCQ
- A Tank is normally filled in 8 hours but takes 5 hours longer to fill because of a leak in its bottom. If the tank is full, the leak will empty it in? MCQ
- Pipes M and N running together can fill a cistern in 6 minutes. If M takes 5 minutes less than N to fill the cistern, then the time in which N alone can fill the cistern will be MCQ
- A car travelling with 5/6 of its actual speed covers 35 km in 150 minutes. Find the actual speed of the car. MCQ
- A pump can fill a tank with water in 2 hours. Because of a leak, it took 7/3 hours to fill the tank. The leak can drain all the water of the tank in: MCQ
- A tank is filled in 6 hours by three pipes A, B and C. The pipe C is twice as fast as B and B is twice as fast as A. How much time will pipe A alone take to fill the tank? MCQ
- 3/4 part of the tank is full of water. When 30 liters of water is taken out, the tank becomes empty. The capacity of the tank is - MCQ
- A bag contains 5 black and 6 white balls; two balls are drawn at random. What is the probability that the balls drawn are black? MCQ
- Out of 8 consonants and 3 vowels, how many words of 3 consonants and 2 vowels can be formed? MCQ
- A bag contains 8 red and 5 green balls. Two balls are drawn randomly. Find the probability that one ball is red and other is green. MCQ