গাণিতিক যুক্তি
মোট ১৯৫৮২ টি প্রশ্ন · উত্তর ও ব্যাখ্যাসহ · বিনামূল্যে
১৭৮৪১–১৭৮৬০ দেখানো হচ্ছে, মোট ১৯৫৮২ টির মধ্যে
- A person travels equal distances with speeds of 4 km/hr , 5 km/hr and 6 km/hr and takes a total time of 37 minutes. The total distance (in km) is- MCQ
- A train travels a distance of 600 km at a constant speed. If the speed of the train is increased by 5 km/hr, the journey would take 4 h less. Find the speed of the train? MCQ
- A man takes 50 minutes to cover a certain distance at a speed of 6 km/hr. If he walks with a speed of 15 km/hr, he covers the same distance in : MCQ
- A covers a certain distance in 3 hours with a constant speed of 60 km/h. What should be the speed of B to cover the same distance in 2 hours 30 minutes? MCQ
- A tank is filled in 8 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
- A runs twice as fast as B and B runs thrice as fast as C. The distance covered by C in 78 minutes, will be covered by A in : MCQ
- Two pipes A and B can fill a cistern in 12 minutes and 15 minutes respectively while a third pipes C can empty the full cistern in 6 minutes. A and B are kept open for 5 minutes in the beginning and then C is also opened. In what time is the cistern emptied? MCQ
- A cyclist rides 24 km at 16 kmph and further 36 km at 20 kmph. Find his average speed for the journey. MCQ
- If Nazir travels at a speed of 70 kmph and covers a distance in 9 hours. Then how much time will he takes to travel the same distance at a speed of 90 kmph? MCQ
- A pump can fill a tank with water in 4 hours. Because of a leak, it took 9/2 hours to fill the tank. The leak can drain all the water of the tank in: MCQ
- A fuel tank is 1/5th full and requires 32 gallons more to make it 3/7 full. What is the capacity of the tank? MCQ
- Mamun is faster than Jahid. Mamun and Jahid each walk 24 km. The sum of their speeds is 7 km/hr and the sum of time taken by them is 14 hours. Then Mamun's speed is equal to: MCQ
- A farmer travelled a distance of 61 km in 9 hours. He travelled partly on foot at 4 km/hr. and partly on bicycle at 9 km/hr. The distance travelled on foot is: MCQ
- 12 buckets of water fill a tank when the capacity of each bucket is 13.5 litres. How many buckets will be needed to fill the same tank, if the capacity of each bucket is 3 liters. MCQ
- Pipes A and B can fill a tank in 8 and 6 hours respectively. Pipe C can empty it in 12 hours. If all the three pipes are opened together, then the tank will be filled in: MCQ
- In how many different ways can the letters of the word FORMULATE be arranged? MCQ
- Three fair coins are tossed simultaneously. What is the probability of getting at least one head and one tail? MCQ
- In how many different ways can the letters of the word RUMOUR be arranged? MCQ
- A dice is thrown. What is the probability that the number shown on the dice is odd number ? MCQ
- In how many ways a committee of 5 men and 6 women can be formed from 8 men and 10 women? MCQ