Quantitative Aptitude - Arithmetic Ability Questions

What will be the maturity value, if Rs. 13,500 is deposited at a simple rate of interest of 12.5% for two years?

Some part of Rs 17500 was lent at the rate of 24% per annum simple interest and the remaining part at the rate of 10% per annum simple interest. The total interest received after 5 years is Rs 13300. What is the ratio of money lent at the rate of 24% and 10%?

How many of the factors of 256 are perfect squares?

What is the value of (cos30° + 1/2) ?

If 60/75 is equivalent to 4/x, then the value of x is

What is the value of 12 + 3(-2 x 3) - (18 / 6) ?

If 2560.256 = 25.6x, then what will be the value of x?

If the equations 6x - 5y + 11 = 0 and 15x + ky - 9 = 0 have no solution, then the value of k is: