exam Maths Puzzle Numerical Ability

The width of a rectangle is 2/3 of its length. Find its length if the perimeter is 80 cm. Find the dimensions.

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exam Other Question

The sequence 2,3,5,6,7,10,... consists opf all natural numbers which are neither perfect squares nor perfect cubes. Find the 75th term of this sequence? Please Help me on this> I cannot seem to get these correct to save my life. Thank you so much in advance.

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