Quantitative Aptitude - Arithmetic Ability Questions

The sum of 2xy(3x + 4y - 5z) and 5yz(2x - 3y) is

If the amount received at the end of 2nd and 3rd year at Compound Interest on a certain Principal is Rs 28090, and Rs 29775.4 respectively, what is the rate of interest?

The simple and compound interest that can be earned in two years at the same rate is Rs 1500 and Rs 1575 respectively. What is the rate (% per annum) of interest?

The difference between the place values of 9 and 5 in the number 428693745 is

Find the total surface area (in cm2 ) of a hemisphere of diameter 42 cm.

A solid brass sphere of radius 2.1 dm is converted into a right circular cylindrical rod of length 7cm. The ratio of total surface areas of the rod to the sphere is

A table was sold at a profit of 10%. If its cost price was 5% less and it was sold for Rs. 7 more, the gain would have been 20%. Find the cost price of the table.

The list price of an article is Rs. 900. It is available at two successive discounts of 20% and 10% . The selling price of the article is: