Quantitative Aptitude - Arithmetic Ability Questions

If tanA = x, then x is

A piece of work can be done by 16 men in 8 days working 12 hours a day. How many men are needed to complete another work, which is three times the first one, in 24 days working 8 hours a day?

Ms. Alina borrowed Rs.650 at 6% per annum simple interest. What amount will she pay to clear her debt after 4 years?

What is the reflection of the point (4, 7) in the line y = -1?

If (1 + sinA)/cosA + cosA/(1 + sinA) = x, then the value of x is

If 3x2 - ax + 6 = ax2 + 2x + 2 has only one (repeated) solution, then the positive integral solution of a is

The volume of a right circular cone, whose radius of the base is half of its altitude, and the volume of a hemisphere are equal. The ratio of the radius of the cone to the radius of the hemisphere is

The angle subtended by the chord of length 10 cm is 120° at the centre. Calculate the distance of the chord (in cm) from the centre.