exam
Maths Puzzle
Numerical Ability
If the average (arithmetic mean) of x and y is k, which of the following is the average of x, y, and z?
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exam Other Question
2/3(x-4)=3(x+6)
The cost of producing a number of items x is given by C=mx+b, in which b is the fixed cost and m is the variable cost (the cost of producing one more item).
(a)If the fixed cost i