Quantitative Aptitude - Arithmetic Ability Questions

What is the value of tan 7π/6?

What is the simplified value of [2/(cot A – tan A)]?

If [7(5x/3 - 3/2)]/2 + 3/2 = 1/4, then what is the value of x?

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

If 2 pair of trouser is offered free on purchase of 3 pair of trousers priced Rs 900 each what is the effective discount on each pair of trouser?

On Selling a toy at 20/31 of the marked price there is a loss of 20%. What will be the ratio of marked price and cost price of the toy?

If tan A = 1/2 and tan B = 1/3, then what is the value of tan (2A + B)?

If x - y = -6 and x + y = 16, then x2- y2 is?