Quantitative Aptitude - Arithmetic Ability Questions

ΔXYZ is similar to ΔPQR. If ratio of Perimeter of ΔXYZ and Perimeter of ΔPQR is 16:9 and PQ = 3.6 cm, then what is the length(in cm) of XY?

If 2+x+2-x2+x-2-x=2,then the value of X is

If k is the largest possible real number such that p4+q4=(p2+kpq+q2)(p2-kpq+q2),then the value of k is

If a cylinder of radius 7 cm and height 9 cm is melted and constructed into a cone of the same radius, what will be the height of this cone?

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

If cos -4π/3 = x, then the value of x is

9997 x 10003 = ?

The simplified form of (x + 3)2 + (x - 1)2 is