exam Maths Puzzle Numerical Ability

PQR is an isosceles triangle such that , QP=QR=13cm and the altitude PS=12cm . Find the length of PR ? PLS HELP . Thanks

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exam Other Question

Let's say a random variable 'y' is obtained from another random variable 'x' by the transformation y = ax+b where a,b are constants.

Prove 1. μy = a*μx + b
2. A Cube shaped box fits exactly around a soccer ball with a diameter of 22.28 cm. What percent of the box is empty space?