Quantitative Aptitude - Arithmetic Ability Questions

If secA -­ tanA = x, then the value of x is

A kite is flying in the sky. The length of string between a point on the ground and kite is 420 m. The angle of elevation of string with the ground is 30 deg. Assuming that there is no slack in the string, then what is the height (in metres) of the kite?

What is the value of sec -2π/3 ?

If cosx.cosy + sinx.siny = -1 then cosx + cosy is

Select the odd word/letters/number/number pair from the given alternatives.

If sum of the roots of a quadratic equation is ­-7 and product of the roots is 12. Find the quadratic equation.

If the selling price of an item is Rs 9750 after getting a discount of 25%, then what was its marked price (in Rs)?

20% of a = b, then b% of 20 is the same as _________ of a.