Quantitative Aptitude - Arithmetic Ability Questions

If secA = x, then the value of x is

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 Cot17°Cot73°Cos222° + 1Cot17°Sec268° is

In triangle PQR, A is the point of intersection of all the altitudes and B is the point of intersection of all the angle bisectors of the triangle. If ∠PBR =105°, then what is the value of ∠PAR (in degrees)?

PQRS is a square whose side is 16 cm. What is the value of the side (in cm) of the largest regular octagon that can be cut from the given square?

At an average of 80 km/hr Shatabdi Express reaches Ranchi from Kolkata in 7 hrs. Then the distance between Kolkata and Ranchi is

A can do a work in 16 days and B in 20 days. If they work on it together for 8 days, then what fraction of work is left?

The value of x for which the expressions 15 ­ 7x and 15x + 7 become equal is _____.