Quantitative Aptitude - Arithmetic Ability Questions

A train of length 100 m crosses another train of length 150 m, running on a parallel track in the opposite direction in 9 seconds. If the speed of trainhaving length 150 m is 40 km/hr, then what is the speed (in km/hr) of the other train?

If 1 saree is offered free on purchase of 3 sarees, what is the effective discount on each saree?

A man spends 59% of his income and saves the rest. What percentage of his expenditure does he save?

At what point does the line 2x + 5y = -6 cuts the X-axis?

The area of an equilateral triangle is 9√3 sq cm, find its perimeter?

A square ground is to be covered by planting 100 saplings on each side. How many saplings are needed in all?

If (8x ­- 4) = (3x + 6), then the numerical value of (x + 1)3 is

If tanθ = 43, then the value of 3sinθ+2cosθ3sinθ-2cosθ ?