Arithmetichard · Past Paper
The cost price of 20 articles is the same as the selling price of x articles. If the profit is 25%, find x.
A15
B16
C18
D25
✓ Correct Answer: B — 16
(20-x)/x = 0.25 => 20-x = 0.25x => 1.25x = 20 => x = 16.
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