exam
Maths Puzzle
Numerical Ability
4/x=3/x(squared)+ 5
Four over x equals three over x squared plus 5
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exam Other Question
How many liters of a 70% acid solution are needed to be mixed with 18 liters of a 10% acid solution to get a mixture which is 25% alcohol?
Factor completely. b^2-ab-6a^2
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