Quantitative Aptitude - Arithmetic Ability Questions

What is the value of ( 1/3 + cosec30)?

What is the value of sec2θ + 1sec2θ - 1 x 12cotθ - tanθ ?

Marked price of an item is Rs 900. On purchase of 2 items discount is 6%, on purchase of 3 items discount is 12%. Rajani buys 5 items, what is the effective discount?

In a bag the ratio of red balls to green balls is 4 : 9. If 6 more green balls were added to the bag, the ratio of red balls to green balls would become 1 : 3. How many red balls are there in the bag?

If cot π/3c -­ tan π/4c = x, then the value of x is

x, y and z are real numbers. If x3 + y3 + z3 = 13, x + y + z = 1 and xyz = 1, then what is the value of xy + yz + zx?

The maturity value of a certain sum after two years at 20% p.a. interest compounded annually is Rs. 14,400/-. Find the Principal amount.

Which one of the following is the minimum value of the sum of two integers whose product is 24?