Quantitative Aptitude - Arithmetic Ability Questions

A sum becomes Rs 8800 in 4 years at simple interest at the yearly interest rate of 25% per annum. What is the sum (in Rs)?

If sec -7π/4 = x, then the value of x is

If the amount received at the end of 2nd and 3rd year at Compound Interest on a certain Principal is Rs 24200, and Rs 26620 respectively, what is the rate of interest?

The difference between the compound interest (compounding annually) and simple interest on a sum at the rate of 12% per annum for 2 years is Rs 360. What is the sum (in Rs)?

If xy+yz+zx = 1, then the value of (1+y2)(x+y)(y+z) ?

If cos 45° - ­ sec 30° = x, then value of x is

What is the slope of the line 2x - 5y = 12?

The mode of the data -3, 4, 0, 4, -2, -5, 1, 7, 10, 5 is