Quantitative Aptitude - Arithmetic Ability Questions

If cosA/(1 - sinA) = x, then the value of x is

If -5x3+2 = x-6, then find the value of x?

What is the total number of points in the plane of triangle ABC which is equidistant from the vertices of the triangle?

The amount received at 10% per annum compound interest after 3 yrs is Rs 10,648. What was the principal (in Rs)?

At what rate of compound interest per annum will a sum of Rs 20000 become Rs 25088 in 2 years?

A bank offers 20% compound interest per half year. A customer deposits Rs 6000 each on 1st January and 1st July of a year. At the end of the year, the amount he would have gained by way of interest is

A merchant marked cloth at Rs. 50/metre . He offers 2 successive discounts of 15% and 20%. The net price/metre is

Which of the following is not a quadratic equation?