Quantitative Aptitude - Arithmetic Ability Questions

The lengths of diagonals of a rhombus are 24cm and 10cm the perimeter of the rhombus (in cm ) is :

If the ratio of marked price and selling price is 11 : 10, then what is the discount percentage?

If a + b = 1, then a4 + b4 - a3 - b3 - 2a2b2 + ab is equal to

If (36 - 16x) - (4x - 8) = 4, then the value of x is

Tanya got an increment of 15% in her salary. If her enhanced salary is Rs.14,030. What was her original salary?

The value of (2+32-3-342) is

The mean of 10 observations is 17. One more observation is included and the new mean becomes 16. The 11th observation is

The sum of three consecutive even numbers is 42. Find the middle number.