exam Maths Puzzle Numerical Ability

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?

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exam Other Question

i really need help with this equasion: 10^5 plus 10^4 plus 10^3 plus 10^2 all divided by 10^2 The width of a rectangle is 2/3 of its length. Find its length if the perimeter is 80 cm. Find the dimensions.