Quantitative Aptitude - Arithmetic Ability Questions

If the compound interest for the 3rd and 4th year on a certain principal is Rs 125 and Rs 135 respectively, what is the rate of interest (in %)?

If ( x - 5)2 + (y - 2)2 + (z - 9)2 = 0, then value of (x + y - z) is

Arun and Amit can do a piece of work in 9 days and 12 days respectively. If they work for alternate days and Amit starts the work first, then in how many days 35/36 parts of whole work will be completed?

A shopkeeper purchased some eggs at rs. 19.20 per dozen and sold them at a profit of 25%. What is the selling price per egg?

The area of a semicircle is 308 sq.cm. Calculate its perimeter (in cm)

If (1 - cosA)/2 = x, then the value of x is

What is the value of (cos45° + 1/3) ?

Select the odd word/letters/number/number pair from the given alternatives.