Question 18
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A manufacturer sells a pair of glasses to a wholesale dealer at a profit of 18%. The wholesaler sells the same to retailer at a profit of 20%. The retailer in turn sells them to a customer for ₹ 30.09, there by earning a profit of 25%. The cost price for the manufacturer is:
- A ₹ 15
- B ₹ 16
- C ₹ 17 Correct
- D ₹ 18
Correct Answer: Option C
Let the cost price for the manufacturer be ₹ X.
Then, 125% of 120% of 118% of X = 30.09.
⇒ (125/100 x 120/100 x 118/100 x X) = 3009/100
∴ 177/100 X = 3009/100 => X = ₹ 17
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