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Maths Puzzle
Numerical Ability
The length of a rectangular frame is 8cm more than the width. The area inside the frame is 105 sq cm. Find the width of the frame.
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I think this is the right category to put this in
Evaluate the factorial expression.
(n+5)!/n+5
I got n+5! as my answer. is that right?
8x-9y<5