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%?

The average marks obtained by Raghav in 12 tests is 24. Zubeida has maintained an average of 23 so far but has taken only 9 of the tests. If each test is out of 30, at least how much Zubeida score in any one of the remaining three tests to still have a chance to match Raghav's performance?

If the volume of a cylinder is 3850 cubic cm and height is 25 cm, what is its radius? (Take π = 22/7)

The difference between simple and compound interests compounded annually on a certain sum of money for 2 years at 5% per annum is Rs 45. The sum is

If angles of a quadrilateral are in the ratio 3:5:9:13, find the largest angle?

What is the value of (1+cosA)/(1-­cosA)?

If sin(A/2) = x, then the value of x is

If √(1 - cos2A) = x, then the value of x is