Quantitative Aptitude - Arithmetic Ability Questions

If a - b = -1 and ab = 6, then what is the value of a3- b3?

At 13% discount the selling price of a oven is Rs 18000, what is the selling price if the discount is 27.5%?

If a retailer offers a discount of 32% on the marked price of his goods and thus ends up selling at cost price, what was the % markup price?

What is the reflection of the point (4 , -3) in the line y = 1?

If x2 + y2 + 6x + 5 = 4(x - y) then x - y is

If R = 97 and S = 155.2, then S is how much percentage more than R?

The least number that must be added to 8961 to make it exactly divisible by 84 is

A man was 32 years of age when he had his first son. His wife was 35 years of age when his son attained the age of 7 years. The difference between the age of the father and the mother is _____