Quantitative Aptitude - Arithmetic Ability Questions

If √(1 + cot2A)/cotA = x, then the value of x is

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

The difference between cost price and selling price is Rs 221. If profit percentage is 17%, then what is the selling price (in Rs)?

What is the value of (cot30°+ 2/√3) ?

If cos 21° = x/y, then cosec 21° -­ cos 69° is equal to

If 2x- 3(4-2x) < 4x - 5 < 4x + 2x/3, then x can take which of the following values?

Working 10 hours a day, Aman can complete a piece of work in 18 days. How many hours a day should he work so as to finish the work in 15 days?

The value of (2+32-3-342) is