Quantitative Aptitude - Arithmetic Ability Questions

If a - b = 2 and ab = 15, then what is the value of a3- b3?

If a3 + b3 = 35 and ab = 6, then what is the value of a + b?

The upstream speed of the boat is 40 kmph and the speed of the boat in still water is 55 kmph. What is the downstream speed of the boat?

Find the odd words/letters/number from the given alternatives.

The value of x for which the expressions 7x + 13 and 13x - 7 become equal is _____

The bar chart given shows the sales of 3 types of cars in the Indian automotive industry over 4 years. All the sales figures have been shown in terms of 000 units.

If all the 3 categories increase by same rate in 2013 over 2012 as they did in 2012 over 2011, then what will be the total approximate sales (in ‘000 units) of all the 3 categories taken together in year 2013?

A closed wooden rectangular box made of 1 cm thick wood has the following outer dimensions : length 22 cm, breadth 17 cm, and height 12cm. It is filled to capacity with cement. What is the volume of the cement in the box?

The least number to be added to 13851 to get a number which is divisible by 87 is