exam
Maths Puzzle
Numerical Ability
A store is selling Compact Discs (CDs)for $10.50 and $8.50. You buy 10 cds for $93. How many cds bought at each price?
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exam Other Question
7x - 4y + 7 = 0
3x - 5y + 3 = 0
Solve: [n/(n-4)]+n=(12-4n)/(n-4).
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