Quantitative Aptitude - Arithmetic Ability Questions

If P + 1P+2 = 1, then the value of P+23+1P+23-3 ?

If 5 - 2x ≥ 4 - x and 3(2 - x) > 2 - 4x; then x can take which of the following values?

If sec2A cosec2A = x, then x is

The point P (a,b) is first reflected in origin to P1 and P1 is reflected in Y­axis to (4,­3). The co­-ordinates of point P are

What is the simplified value of 0.072+0.292-0.02030.073+0.293

What are the co-ordinates of the centroid of a triangle, whose vertices are A(-2,5), B(3,-2) and C(5,3)?

Find the odd word/letters/number from the given alternatives.

ABCD is a quadrilateral with AB = 9 cm, BC = 40 cm, CD = 28 cm, DA = 15 cm and angle ABC is a right –angel. 
What is the area of triangle ADC?