Quantitative Aptitude - Arithmetic Ability Questions

If a + b = 5 and ab = 6, then what is the value of a3 + b3?

If x/3 - [5(7x/5 - 4/3)]/2 = -x/6, then what is the value of x?

If one root of the equation Ax2 +Bx + C = 0 is two and a half times the others, then which of the following is TRUE?

Ravi had five subjects in his final examination. The maximum marks in each subject are 100. If his percentage in four subjects is 80, and he scores 65 marks in the fifth subject, determine his overall percentage for the five subjects.

If the price of sugar is decreased by 18%, then a person can buy 16.2 kg sugar more for Rs 4500. What will be the new price (in Rs) of sugar per kg?

Find two numbers whose sum is 29 and the product is 100.

The third proportional of two numbers 4 and 28 is _______.

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