Quantitative Aptitude - Arithmetic Ability Questions

The ratio of the volume of two cylinders is 7 : 3 and the ratio of their heights is 7 : 9. If the area of the base of the second cylinder is 154 sq. cm, then what will be the radius (in cm) of the first cylinder?

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

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

What should be added to 8(3x - ­4y) to obtain 18x ­- 18y?

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

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

What is the HCF of 36, 72 and 126?

Calculate the principal if an amount of Rs. 441 is received on compound interest at the rate of 5% per annum after 2 years.