Quantitative Aptitude - Arithmetic Ability Questions

The compound interest on Rs. 24000 at 10% per annum for 11⁄2 years, interest being compounded semi­annually is

In an army selection process, the ratio of selected to unselected was 5:1. If 100 less had applied and 20 less selected, the ratio of selected to unselected would have been 6:1. How many candidates had applied for the process?

If cosx.cosy + sinx.siny = -1 then cosx + cosy is

If x2 – 4x + 1 = 0, then what is the value of x9 + x7 – 194x5 – 194x3?

If the length of one side and the diagonal of a rectangle are 8 cm and 17 cm respectively, then find its perimeter

The average of 5 members of a family is 24 years. If the youngest member is 8 years old, then what was the average age (in years) of the family at the time of the birth of the youngest member?

The first and last terms of an arithmetic progression are 25 and ­52. What is the sum of the series if it has 12 terms?

What is the value of 1.23+0.83+0.73-2.0161.351.22+0.82+0.72-0.96-0.84-0.56 =