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Maths Puzzle
Numerical Ability
I have a 20 m x 40 x area. I want to fill it with sand to the depth of 3 inches. How many tonnes of sand will I require?
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book Other Question
the range of f(x)=log2x is ?
Rearrange the following so that the letter becomes the subject
p = n(q-2)^2; q =
Can you please show your working out, and thank you in advance