exam Maths Puzzle Numerical Ability

the primeter of a triangle is 63cm. The lengths of the three sides are represented by three consecutive odd integers. Find the length of the longest side

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exam Other Question

PLEASE HELP!!! I'm terrible at math and have been at this for two hours. An airplane flew for 6 hours with a 22-km/h tail wind. The return flight against the same wind took 8 hours. Find the speed of the plane in still air.