Quantitative Aptitude - Arithmetic Ability Questions

If (x – y) = 7, then what is the value of (x – 15)3 – (y – 8)3?

If  P2+1P2 = 47, then the value of P + 1P is

A square ground is to be covered by planting 100 saplings on each side. How many saplings are needed in all?

If cotA = x, then the value of x is

If 1 saree is offered free on purchase of 3 sarees, what is the effective discount on each saree?

If the selling price is Rs 855 after getting a discount of 5%, what was the marked price?

Study the information carefully to answer the following questions: An urn contains 5 red, 3 green, 2 blue and 4 yellow marbles. If three marbles are picked at random, what is the probability that one is green and two are yellow?

After a discount of 34% an article is sold for Rs. 3168. What is the marked price (in Rs) of the article?