Quantitative Aptitude - Arithmetic Ability Questions

If sin3A = x, then value of x is

If a:b = 3:8, find the value of (5a ­ 3b)/(2a + b).

What is the highest common factor of 360 and 450?

If a - b = -6 and a2 + b2 = 44, then ab is

If the time increases by 5 years, then simple interest increases by Rs 3000 on a sum of Rs 5000. What is the rate (in percentage) of interest per annum?

A map is drawn at a scale of 2 mm for 500 kms. Two places are marked at the distance of 3.6 mm; calculate the distance (in kms) between these two places?

What is the value of 5/9 + 7/8?

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