Quantitative Aptitude - Arithmetic Ability Questions

Simple interest on a certain sum of money for 3 years at 18% per annum is half the compound interest on Rs. 9000 for 2 years at 10% per annum. The sum placed on simple interest is:

Find the radius of the circle if the length of its arc is 33 cm whose corresponding central angle is 90° ?

If r sinθ=3 and r cosθ=1, then the values of r and θ are: (0°⩽θ≤90°)

What is the value of [2 sin (45 + θ) sin (45 – θ)]/cos 2θ?

Select the odd word/letters/number/number pair from the given alternatives.

What is the HCF of 36, 72 and 126?

If the difference of the compound interest and the simple interest on a sum of money for 3 years is Rs. 186. Find the sum of money, if the rate of interest in both case be 10%

If 2cos2A - 1 = x, then the value of x is