exam
Maths Puzzle
Numerical Ability
Sally paints a house in 4 hours, jill paints the same house in 6 hours, how long does it take them to paint the house together?
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exam Other Question
Can you help me solve this please:Find each sum or difference in simplest form. m/[2(m - n)] - 5/m
If the circle with centre(0,m) has equation x^2+y^2+6y+5=0, what is the value of m?