exam
Maths Puzzle
Numerical Ability
What is i^-1? (i as in imiginary number)
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exam Other Question
solve by any method you prefer.
u^2 - 15u = -1
6. A right triangle has perimeter 12 and sides x, (x + 1) and (x + 2). What is the area of
the triangle?
(figure not drawn to scale)
7. In the figure above, BD = DC, DE = EC, DE