Quantitative Aptitude - Arithmetic Ability Questions

Mr. Mahesh sold a bus for Rs. 22,100 with a loss of 15%. At what price should the bus be sold to get a profit of 15%?

A man starts walking from a place X and reaches the place Y in 12 hours. He travels 3/7th of the total distance at the speed of 3 km/hr and the remaining distance at the speed of 4 km/hr. What is the distance (in km) between X and Y?

A mixture of alcohol and water contains 7% alcohol. How much mixture (in litres) is required to get 357 litres of alcohol?

If ab+ba = -1, then the value of a2b-b2a is

What is the x-intercept of line joining (4, 2) and (6, 3)?

If 2x+29x = 4, then the value of 27x3+127x3

The cash difference between the selling price of an article at a profit of 2% and 18% is Rs. 3. The ratio of two selling prices is

If the perimeter of a semicircle is 108 cm, then find its area (in cm²).