Quantitative Aptitude - Arithmetic Ability Questions

The difference between simple and compound interest (compounded annually) on a sum of money for 3 years at 10% per annum is Rs. 93. The sum (in Rs.) is:

A and B together can finish a work in 30 days. They worked for it for 20 days and then B left the work. The remaining work was done by A alone in 20 days more. In how many days can A alone finish the work?

How many diagonals are there in octagon?

The area of a semicircle is 1925 cm2. Calculate its perimeter (in cm).

In a triangle ABC, if ∡A +∡C = 140° and ∡A + 3∡B = 180°, then ∡A is equal to

One internal angle of a rhombus of side 12 cm is 120°. What is the length of its longer diagonal?

If an interior of a regular polygon is 170o, then the number of sides of the polygon is

The marked price of a shirt is Rs 1800 and retailer gets a discount of 40%. If he sells that shirt for Rs 1800, then what is the profit percentage of retailer?