Quantitative Aptitude - Arithmetic Ability Questions

Each exterior angle of a regular polygon measures 9 deg. How many sides does the polygon have?

If the number x3451 is divisible by 3, where x is a digit, what can be the sum of all such values of x?

If sin ­-240° = x, then the value of x is

ΔPQR is right angled at Q. If m∠P = 45°, then find the value of (cosecR + 1/3).

If Sinx = 4/5, then Secx/Sinx = ?

A cylindrical vessel of radius 4 cm contains water . A solid sphere of radius 3 cm is dipped into the water until it is completely immersed . The water level in the vessel will rise by

ΔABC is a right angled triangle, the radius of its circumcircle is 3 cm and the length of its altitude drawn from the opposite vertex to the hypotenuse is 2 cm. Then the area of the triangle is

AD is the Median of Δ ABC. If O is the centroid and AO = 10 cm then OD is