Quantitative Aptitude - Arithmetic Ability Questions

If x + y = 5, x3 + y3 = 35, then what is the positive difference between x and y?

The difference between cost price and selling price is Rs 494. If loss percentage is 19%, then what is the selling price (in Rs)?

At 30% discount the selling price of an article is Rs 1050. What is the selling price (in Rs) if the discount is 15%?

If 2x + 6y = 3xy and 10x -­ 3y = 4xy, find x, y.

If Giri's salary is 9/5 times of Hariprasad's and Shaukat's is 9/2 times of Hariprasad's, what is the ratio of Giri's salary to Shaukat's?

To travel 660 km, an Express train takes 10 hours more than Rajdhani. If however, the speed of the Express train is doubled, it takes 7 hours less than Rajdhani. The speed of Rajdhani is

Selling price of an article is Rs 27692 and loss percentage is 14%. If the selling price is Rs 37352, then what will be the profit percentage?

A car travels a certain distance at 70 km/h and comes back at 30 km/h. Find the average speed for total journey.