Quantitative Aptitude - Arithmetic Ability Questions

The side of an equilateral triangle is 14 cm. Find its area (in sq.cm).

If 3x - 10 = -(2x + 5), then the numerical value of (x - 4)3 is

If a + b + c = 11 and ab + bc + ca = 17, then what is the value of a3 + b3 + c3 – 3abc?

The diagonal of a square equals the side of an equilateral triangle. If the area of the square is 6√3 sq cm, what is the area of the equilateral triangle?

If the selling price is Rs 2125 after getting a discount of 15% what was the marked price?

A can do a piece of work in 18 days. He worked at it for 12 days and B finished the remaining work in 8 days. B alone can do the whole work in

The average age of A and B is 18 years. After 3 years, C joins them and the average ages of A, B and C becomes 22 years. The age of C is ?

P alone can do a piece of work in 8 days and Q alone can do the same work in 10 days. In how many days will both together complete the same work?