Quantitative Aptitude - Arithmetic Ability Questions

If the amount received at the end of 2nd and 3rd year at Compound Interest on a certain Principal is Rs 1,800, and Rs 1,926 respectively, what is the rate of interest?

The sum of a non-zero number and twenty times its reciprocal is 9. What is the number?

The total surface area of a cube is 337.5 cm². Find its side (in cm).

What is the effective discount (in %) on two successive discounts of 20% and 10%?

The surface area (in sq.cm.) of a sphere with radius 1 cm is :(pi = 22/7)

What is the measure of an interior angle of a regular dodecagon?

If the sum of the measures of all the interior angles of polygon is 1800°, find the number of sides of the polygon?

You purchased two pieces of cloth measring 1.2 m and 1.3 m each at Rs. 330 and Rs. 270 per meter respectively and gave Rs. 1000 at the payment counter. How much cash will you get back?