Quantitative Aptitude - Arithmetic Ability Questions

If a + b = 4 and ab = -5, then what is the value of a3 + b3?

Select the odd word/letters/number/number pair from the given alternatives.

If 5x - 4 ≤ 2 - x and 4x + 5 > 2x - 5, then x can take which of the following values?

If sin - 4π/3 = x, then the value of x is

If a3 + b3 = 19 and ab = -6 , then what is the value of a + b?

A train crossed a 140 m long platform in 15 seconds and a 180 m long platform in 17 seconds. The speed of the train was

Simple interest on a sum for 18 months at 14% per annum is Rs 1365.What is the value (in Rs) of sum?

A can make a cupboard in 10 days and B can do it in 50 days. Along with C, they did the job in 6.25 days only. Then in how many days C alone can do the job?