Quantitative Aptitude - Arithmetic Ability Questions

If cotA = x, then the value of x is

A man spends 59% of his income and saves the rest. What percentage of his expenditure does he save?

Starting with 8000 workers, the company increases the number of workers by 5%, 10% and 20% at the end of first, second and third year respectively. The number of workers in the fourth yearwas

A is twice as good as B and together they finish a piece of work in 16 days. The number of days taken by A alone to finish the work is

If the value of 3-1.732, then calculate the value of 243-12108-147

If 5 sin2θ+ 4 cos2θ= 9/2 and 0 <θ<Π/2 then tanθ is equal to?

At what rate of compound interest per annum will a sum of Rs 10000 become Rs 12321 in 2 years?

A total amount of Rs. 1560 is to be divided among A, B, C such that A gets 50% of what B gets and B gets 20% of what C gets. How much will B get ?