গাণিতিক যুক্তি
মোট ১৯৫৮২ টি প্রশ্ন · উত্তর ও ব্যাখ্যাসহ · বিনামূল্যে
১৫৭০১–১৫৭২০ দেখানো হচ্ছে, মোট ১৯৫৮২ টির মধ্যে
- A man lends Tk. 5000 in three parts at different rates of simple interest per annum. If he gets 4% on TK. 1500 and 5% on TK. 2500, what percent must he get for the remainder, if the average rate of simple interest per annum is 5.5%? MCQ
- A person walks at 14 km/h instead of 10 km/h and in the same time covers 20 km more distance. Find the actual distance traveled. MCQ
- A train is 100 meter long and is running at the speed of 30 km per hour. Find the time it will take to pass a man standing at a crossing. MCQ
- A boat can cover 'r' km upstream in 6 hours. It can cover 'r + 18' km downstream in 4 hours. Find the time taken by boat to cover 81 km upstream and 90 km downstream if the speed of boat in still water and speed of stream are in the ratio 4 : 1, respectively. MCQ
- A man travels from his home to office at 4km/hr and reaches his office 20 min late. If the Speed had been 6 km/hr he would have reached 10 min early. Find the distance from his home to office? MCQ
- A train running at the speed of 60 km/hr crosses a pole in 9 seconds. Find the length of the train. MCQ
- A boat takes 6 hours to travel 30 km upstream and 3 hours to travel the same distance downstream. Find the distance travelled by the boat in 7 hours in still water. MCQ
- A car travels at a speed that is 3/4th the speed of a bike. The bike covers 240 km in 4 hours. How much distance will the car cover in 30 minutes? MCQ
- From P and Q, two trains start moving towards each other at the same time. Their speeds are 120 km/h and 100 km/h, respectively. When the two trains meet each other, one train has covered 40 km more than the other train. Find the distance between P and Q? MCQ
- A boat goes 20 km upstream and 44 km downstream in 8 hours. In 5 hours, it goes 15 km upstream and 22 km downstream. Determine the speed of the boat in still water. MCQ
- A bus travels the first 150 km at 75 km/h and the next 150 km at 50 km/h. What is the average speed for the whole trip? MCQ
- A train travels between X and Y in 3 hours. When the speed of train is increased by 6 km/hr, then it covers the same distance in 2 hours. What is the original speed of train? MCQ
- A man rows a boat a certain distance downstream in 9 hours, while it takes 18 hours to row the same distance upstream. How many hours will it take him to row three-fifth of the same distance in still water? MCQ
- A truck travels at 96 km/h. How much distance will it cover in 75 minutes? MCQ
- A train passes a stationary pole in 8 seconds. The train also passes a 200 m long bridge in 28 seconds. What is the length of the train? MCQ
- A boat's speed with the current is 17 km/hr and the speed of the current is 3.5 km/hr. What is the boat's speed against the current? MCQ
- A car reaches from City A to City B in 9 hours travelling at a speed of 40 km/hr. If its speed is increased by 20 km/hr, then the time of journey is reduced by- MCQ
- Two trains with lengths 126 m and 119 m respectively are moving towards each other. Their speeds are 12 m/s and 23 m/s, respectively. What will be the time needed by the trains to cross each other? MCQ
- A swimmer swims from a point P against the current for 6 min and then swims back along the current for next 6 min and reaches at a point Q. If the distance between P and Q is 120 m then the speed of the current (in km/h) is: MCQ
- P, Q and R are in a cycle race of 4500 meters. P cycles twice as fast as Q. R cycles 1/3 as fast as Q. R completes the race in 45 minutes. Then where was Q from the finishing line when P finished the race? MCQ