Quantitative Aptitude - Arithmetic Ability Questions

In what ratio is the segment joining (-1, 3)and (2,-4) divided by the Y axis?

If the diameter of a sphere is 14 cm, then what is the surface area (in sq.cm) of the sphere?

If PQ and PR be the two tangents to a circle with centre O such that ∠QPR = 120° then ∠POQ is

A Lawn roller makes 20 revolutions in one hour. The radius it runs through 25 minutes is

Reflection of the point (4,-5) in the y-axis is

What is the value of 128 + 7232

For triangle ABC, what would be the equation of median AD if co-ordinates of A, B and C are (-5,4), (-4,0) and (-2,2) respectively?

What is the area (in square units) of the figure enclosed by the x-axis, the y-axis and the line x + 2y = 6 ?