Quantitative Aptitude - Arithmetic Ability Questions

The radius and the height of a cone are each increased by 20%. Then the volume of the cone increases by

What is the slope of the line parallel to the line passing through the points (5, -1) and (4, -4)?

An angle is 1/3 its supplementary angle. Find the measure of the angle?

The length of the radius of a circle with centre O is 5 cm and the length of the chord AB is 8 cm. The distance of the chord AB from the point O is

ABCD is a cyclic trapezium in which AD || BC. If ∠ABC = 70°, then ∠BCD is

The radius of a wire is decreased to one-third. If volume remains the same, length will increase by

After buying a toy for Rs.45, Raghu managed to sell it at a profit of 15%. The selling price of the toy was

The angles of elevation of the top of a tower 72 metre high from the top and bottom of a building are 30° and 60° respectively. What is the height (in metres) of building?