By selling 24 items, a shopkeeper gains the selling price of 4 items. His gain percentage is:
Answer & explanation
Correct answer: option 2
By selling 24 items, a shopkeeper gains the selling price of 4 items,
Profit% = \(\frac{gaining \; quantity}{total \; sold - gaining \; quantity}\) × 100 = \(\frac{4}{24 - 4}\) × 100 = 20%