Quantitative Aptitude - Arithmetic Ability Questions

x and y are two numbers such that their mean proportion is 8 and third proportion is 512. What is the value of x and y?

If a - b = 1 and ab = 6, then what is the value of a3- b3?

Find the odd word/letters/numbers pair from the given alternatives.

A triangular prism has 9 edges. How many vertices does it have?

What is the compound interest earned on Rs 80,000 at 40% per annum in 1 year compounded quarterly?

614% of 1600 + 1212% of 800 is equal to

Average of the height of 251 students of a school is 48. If the average of the height of the boys is 51 and the average of the height of the girls is 29, then what will be the ratio of the total height of boys and the total height of girls respectively?

Rohan sells two articles. The cost price of the first article is equal to the selling price of the second article. The first article is sold at a profit of 40% and the second article is sold at a loss of 40%. What is the ratio of the selling price of the first article to the cost price of the second article?