Mathematics Past Questions and Answers

In the diagram O and O' are the centres of the circles radii 15cm and 8cm respectively. If PQ = 12cm, find |OO'|.

In the diagram O is the centre of the circle. Which of the following is/are not true? I. a = b II. b + c = 180^o III. a + b = c

Simplify \(\frac{2^{\frac{1}{2}}\times 8^{\frac{1}{2}}}{4}\)

In the diagram, |SR| = |RQ| and ∠PRQ = 58^o ∠VQT = 19^o, PQT, SQV and PSR are straight lines. Find ∠QPS

The angle of depression of a point Q from a vertical tower PR, 30m high, is 40°. If the foot P of the tower is on the same horizontal level as Q, find, correct to 2 decimal places, |PQ|.