Quantitative Aptitude - Arithmetic Ability Questions

If 2x+2x=3,then the value of x3+1x3+2 is

In the given figure, AP = 3cm, AR = 6cm and RS = 9cm, then what is the value (in cm) of PQ?

The height of a cone is 45 cm. It is cut at a height of 15 cm from its base by a plane parallel to its base. If the volume of the smaller cone is 18480 cm3, then what is the volume (in cm3) of the original cone?

If x+19x=4, then 9x2+19x2 is

If  P2+1P2 = 47, then the value of P + 1P is

The side of an equilateral triangle is 14 cm. Find its area (in sq.cm).

If x+y+z = 0, then what is the value of x23z+y33xz+z23x ?

If sinA + sin2A = 1 then what is the value of cos2A + cos4A ?