A trapezium has vertices marked as P, Q, R and S (in that order anticlockwise). The side PQ is parallel to side SR. Further, it is given that, PQ = 11 cm, QR...

Mosquitoes pose a threat to human health. Controlling mosquitoes using chemicals may have undesired consequences. In Florida, authorities have used geneticall...

Consider the following inequalities. (i) 2𝑥 − 1 > 7 (ii) 2𝑥 − 9 < 1 Which one of the following expressions below satisfies the above two inequalities?