Quantitative Aptitude - Arithmetic Ability Questions

tan(A/2) is equal to

What is the reflection of the point (5, 2) in the line x = -3?

If tan θ + sec θ = (x – 2)/(x + 2), then what is the value of cos θ?

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

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

In ΔPQR, PQ = PR = 18 cm, AB and AC are parallel to lines PR and PQ respectively. If A is the mid-point of QR, then what is the perimeter (in cm) of quadrilateral ABPC?

The midpoints of AB and AC of a triangle ABC are X and Y respectively. If BC+XY=12 units, then BC­XY is

Some girls can do a piece of work in 18 days. In how much time (in days) two times the number of such girls will complete thrice of the work?