exam Maths Puzzle Numerical Ability

a^2-8a over (a+2)(a-8)

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exam Other Question

Determine whether the following is rational or irrational:

4-sqrt16

Thank you! state weather the ratios are proportional

1. 50 over 40 equal 5 over 4

2. 12 to 11, 36 to 33

3. 20:40, 1:2

4. 33 over 36 equals 44 over 48