A seller sold $$ \frac {3}{4} $$ th of his goods at 24% profit. He sold rest part of the goods at cost price. What is percentage of his profit ?
Let there be 100 items worth 100 rupees total. So, the seller sells 75 at 75 * 124/100 = 93 rupees.
and 25 at 25 rupees.
Total profit = 93 + 25 - 100 = 18 rupees
Profit % = 18/100 = 18%
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