Quantitative Aptitude - Arithmetic Ability Questions

The line passing through (-2,5) and (6,b) is perpendicular to the line 20x + 5y = 3. Find b?

If a + b = 10 and ab = 21, then the value of (a - b)2 is

The length of the diagonal of a square is 10 cm. What is area of this square?

The bus fare between two cities is increased in the ratio 25:29. Find the increase in the fare, if the original fare is Rs. 625

The length of the diagonal and the breadth of a rectangle are 17 cm and 8 cm respectively. Find its perimeter (in cm).

On walking 100 metres towards a building in a horizontal line, the angle of elevation of its top changes from 45 to 60 deg. What will be the height (in metres) of the building?

The difference between compound interest and simple interest on Rs. 5000 for 2 years at 8% per annum payable yearly is

Average of all even numbers between 222 and 250 is __________.