Quantitative Aptitude - Arithmetic Ability Questions

The square root of which of the following numbers is irrational?

If Cosecθ + Cotθ = 2, then Cotθ = ?

Which of the following numbers is not a prime number?

Solve : (x + 2y) (2x - y)

The LCM of 48 and 54 is

The expenses of a person increase by Rs. 50000 for every month in February and March. If his expenses in January was Rs. 50000, calculate his average expenditure (in Rs.) from January to March.

The total surface area of a cube is 73.5 sq.cm. Find its side (in cm).

The line parallel to the BC of the triangle ABC divides the other two sides at the point D and E in such a way that AB=3AD. Calculate the ratio of DE and BC.