A car goes 15 km on a gallon of octane. When it is 50 km/h. When the car is driven at 60 km/h, it only goes 80% as far. How many gallons of octans are needed to travel 200 km it half the distance is traveled at 50 km/h and the rest 60 km/h ?
A manufacturer sells three products i.e A, B C. Product A costs 200 and sells for 250, product 150 and sells for 180, Product C cost 100 and sells for 110. On which product, he has maximum percentage of profit?
A trader marked the price of a article 30% above the cost price and gave the buyes 10& discount on market price, thereby gaining Tk. 340. The cost of the article is?
The length and breadth of a square of a are increased by 40% and 30% receptively. The area of the resulting rectangle exceeds the are of the square by?
Threee boys have marbles in the ratio of 19:5:3. If the boy with the least number has 9 marbles, how many marbles does the boy with the highest number have?
A circular wheel 28 inches in diameter rotates the same number of inches per second as a circular wheel 35 inches in diameter. If the smaller wheel makes x revolutions per second, how many revolutions per minutes does the larger wheel make in terms of x?
A, B C center into partnership with investments in the ratio of 5:7:8. If at the end of the year A's share of profit is Tk. 42360, how much is the total profilt?
One third of the faculty members of a department are female. Sixteen of the male teachers are unmarried while 60% of them are married. The total number of faculty members in the department is_____
A short distance athelte has taken 60 sec to cover 100m. If he makes 30 steps in 9 sec,how many steps has he takenin that time?
A manufacturer sells three products i.e A, B and C. Product A costs 200 and sells for 250, Product b costs 150 and sells for 180, product C costs 100 and sells for 110. On which product, he has maximum percentage of profit?
A, B and enter into partneship with investments in the ratio of 5 :7:8 If, at the end of the year A's share of profit is Tk. 42360, how much is the total profit ?
One third of the faculty members of a department are female. Sixteen of the male teaches unmarried while 60% of them are married. The total member of faculty members in the department is____
A wholesaler sells goods a retailer at a profit of 20%. The retailer sells to the customer, who pays 80% more than of the wholesaler. What is the retailers profit?
If an integer y is subtracted from an integer x, and the results than x, than y must be___
A train went 300 km city X to City at an average speed of 10 km/h. At what speed did it travel on the way back if its average speed for the whole trip was 120 km/h?
If a, b and c are 3 conscutive integers and a> b> c, which of the following has the maximum value?
Sam can mow a lawn in 20 min, while mark takes 10 min longer to longer to mow the same lawn. How long will they take to mow the lawn if they work together?
f the length of each of the sides of three squeare garden's plots us increases by 50 percents, by what percent is the sum of the areas of the three plots increased?
A short distance athlete has taken 60 sec to cover 100m. If he makes 30 steps in 9, sec how many steps has he taken in that time?
A car goes 15 km on a gallon of octane when it is driven at 50 km/h. When the car is driven at 60 km/h, it only goes 80% as far. How many gallons of octane are needed to travel 200 km if half the distance is traveled at 50 km/h and the rest 60 km/h?