A dealer marks a heater 30% above cost price and gives a 10% discount, earning a profit of Rs. 170. What is the cost price of the heater?
Correct answer C. Rs. 1,000
Explanation
SP = 1.30 × 0.90 × CP = 1.17 CP, so profit = 0.17 CP = 170. Hence CP = 170/0.17 = Rs. 1,000.
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