Quantitative Aptitude - Arithmetic Ability Questions

If (7x -­ 13) ­ (12x + 3) = 14, then the value of x is ______ .

 In ΔABC measure of angle B is 90 deg. If cotA = 7/24, and AB = 1.4cm, then what is the length (in cm) of side AC?

If x = a + 1a, y = a - 1a ,(a>0), then the value of x4+y4-2x2y2 is

At what point does the line 2x - 3y = 6 cuts the Y axis?

If Sinx = 4/5, then Sec2x - 1 = ?

Find the mean proportional between 2 and 98?

What must be the length (in cm) of the diagonal of a rectangle if its area and breadth are 60 cm² and 5 cm respectively?

In the following question, select the odd letter/letters from the given alternatives.