Quantitative Aptitude - Arithmetic Ability Questions

If a - b = 2 and ab = 8, then what is the value of a3 - b3?

In Δ ABC, the median AD is 8 cm and CB is 16 cm, measure of angle CAB is_____ .

Asif is twice as good as workman as Bashir and together they finish a piece of work in 30 days. In how many days will Asif alone finish the work?

How many times in a week does both the hands of the clock will coincide with each other?

What is the value of sinAtanA/(1 - cosA)?

If 3x2 = 102 - 52, find the value of x?

If x + 1/x = 6, then value of x2 + 1/x2 is

In the given figure, AB = 30 cm and CD = 24 cm. What is the value (in cm) of MN?