Quantitative Aptitude - Arithmetic Ability Questions

The figure shown below consists of the tangents at the extremeties of any chord. Choose the correct option given below.

If Cot θ = 21/20, then what is the value of Cosec θ?

The internal bisectors of ∠Q and ∠R of triangle PQR meet at O. If ∠P = 70°, then what is the measure of ∠QOR (in degrees)?

AB is a chord of the circle and its center is “O”. ON is perpendicular to AB. If the length of AB=20 cm, ON-(2√11) cm, find the radius (in cm) of the circle.

Find equation of the perpendicular bisector of segment joining the points (2,-5) and (0,7)?

Find the radius of the circle if the length of its arc is 33 cm whose corresponding central angle is 90° ?

A batsman makes a score of 111 runs in the 10th match and thus increases his average runs per match by 5. What will be his average after the 10th match?

The value of -3+3+87+43 is