Quantitative Aptitude - Arithmetic Ability Questions

Smaller diagonal of a rhombus is equal to length of its sides. If length of each side is 6 cm, then what is the area (in sq.cm) of an equilateral triangle whose side is equal to the bigger diagonal of the rhombus?

If the sum of squares of two real numbers is 41 and their sum is 9. Then the sum of cubes of these two numbers is

The sum of digits of a two-digit number is 9. When the digits are reversed, the number decreases by 45. Find the changed number.

The difference between Peter and Preeti's ages is 5 years. When they married each other 35 years ago, 4 times Peter's age was the same as 5 times the age of Preeti. What is the current sum of their ages?

Which of the following is TRUE?

If (6 ­- 18x) -­ (x ­- 7) = 8, then the value of x is ______.

Given 17 x 29 = 493, then 170 x 0.029 = ?

A defective piece of article which costs Rs. 1200 is being sold at a loss of 15%. If the price is further reduced by 5%, find the S.P?