Quantitative Aptitude - Arithmetic Ability Questions

A vendor buys apples at the rate of 21 for Rs 7 and sells at the rate of 5 for Rs 2. What will be the result?

Excluding stoppages, the speed of a bus is 72 kmph and including stoppages, it is 60 kmph. For how many minutes does the bus stop per hour?

The list price (marked price ) of an article is Rs. 900 and is available at two successive discounts of 20% and 10% ; the selling price of the article,in rupees, is

If 35% are the passing marks. A student gets 200 marks yet fails by 24 marks. What is the maximum marks?

If x + y = 12 and xy = 32, then what is the value of  x2 + y2 ?

Find the L.C.M of 4/5, 2/3 and 5/7.

In the given figure, PQRS is a quadrilateral. If QR = 18 cmand PS = 9 cm,then what is the area (in sq. cm) of quadrilateral PQRS?

What is the value of 2+2+2+2.......