Quantitative Aptitude - Arithmetic Ability Questions

The co-ordinates of the centroid of a triangle ABC are (3,-2). What are the co-ordinates of vertex C if co-ordinates of A and B are (-2,5) and (6,-2) respectively?

The value of tan 315° cot (­ -405° ) is equal to

What should be added to 5(2x-y) to obtain 4(2x - 3y) + 5(x + 4y)?

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

A and B have their annual average income Rs. 80,000.
B and C have their annual average income Rs. 75,000.
C and A have their annual average income Rs. 78,000.

The annual income of A is ?

If sum of the roots of a quadratic equation is ­-7 and product of the roots is 12. Find the quadratic equation.

Two identical hemispheres of maximum possible size are cut from a solid cube of side 14 cm. The bases of the hemispheres are part of the two opposite faces of cube. What is the total volume (in cm3) of the remaining part of the cube?

If the perimeter of a semicircle is 36 cm, then find its area (in cm2).