exam
Maths Puzzle
Numerical Ability
What quantity of 60% acid solution must be mixed with 30% acid solution to produce 300mL of a 50% solution?
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exam Other Question
what value for x must be excluded in the following fraction?
x-3
over
(4x-5)(x+1)
am i right to say
5/4,1,3
Define the power of a signed number.