Solution -
SP of a wrist watch = 405
By selling a wrist watch at Rs. 405 the shopkeeper incurs a loss of 10%.
CP = 405/0.9
CP = 450
Now,
New SP = 465
Profit % = [(SP - CP)/CP] × 100
= [(465 - 450) / 450] × 100
= (15/450) × 100
= 10/3
= 3.33%
Hence,
The correct answer is option (c) Profit of 3.33%.
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