A regular hexagonal mirror has a side of 18 cm.
Due to an error, a shopkeeper increases the selling price of a Rs 500 item by 10% instead of decreasing it by 10%. What is the percentage increase in the price due to this error?
एक त्रुटि के कारण, एक दुकानदार 500 रुपये की वस्तु का विक्रय मूल्य 10% कम करने के बजाय 10% बढ़ा देता है। इस त्रुटि के कारण मूल्य में कितने प्रतिशत की वृद्धि हुई?
Detailed Solution & Logic
Correct Answer:
22.22%
Explanation:
The intended price after a 10% decrease should be
$500 \times 0.90 = 450$
But due to the error, the shopkeeper increased the price by 10%, so the actual price became
$500 \times 1.10 = 550$
Difference in price = 550 - 450 = 100
Percentage increase due to the error (with respect to the intended price)
$= \frac{100}{450} \times 100 = 22.22%$
Answer: (B) 22.22%
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