Quantitative Aptitude - Arithmetic Ability Questions

A Number is increased by 20%. To get back to the orignal number, the increased number is to be reduced by

If the selling price is Rs 728 after getting a discount of 9%, what was the marked price?

In the following questions two equations numbered I and II are given. You have to solve boththe equations and give answers

I. 2x ² –21x + 54 = 0

II. y ² –14y + 49 = 0

If A = (-14 + 4) and B = 4 - 14, then AB = 

A ladder 13 m long reaches a window which is 12 m above the ground on side of a street. Keeping its foot at the same point, the ladder is turned to the other side of the street to each a window 5m high, then the width of the street is :

In what ratio does the point T (3,0) divide the segment joining the points S (4,­2) and U (1,4)?

Find two numbers such that their mean proportion is 16 and third proportion is 1024.

If cot(A/2) = x, then the value of x is