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Maths Puzzle
Numerical Ability
It takes 10 hours to fill a pool with water, and 20 hours to drain it. If the pool is empty and the drain is open, how long will it take to fill the pool?
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book Other Question
Find the roots of the quadratic equations by the method of completing the square. Express the roots, if they are not rational, in simplest radical form.
will you solve the following problems please?
1 3 # 3.w #5.Name like terms for : 5a+8-3a+11
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