Question : A builder purchases 25 windows at 25% off the total price of Rs. 1,20,000. If the builder receives an additional discount of Rs. 7,500 for the purchase, then the cost of each window is:
Option 1: Rs. 3,300
Option 2: Rs. 3,100
Option 3: Rs. 3,400
Option 4: Rs. 3,200
Correct Answer: Rs. 3,300
Solution :
CP of 25 windows = $120000 \times \frac{75}{100}$ = Rs. 90,000
After additional discount,
CP for builder = Rs. (90000 – 7500) = Rs. 82,500
Cost of each window = $\frac{82500}{25}$ = Rs. 3,300
Hence, the correct answer is Rs. 3,300.
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