Question
Download Solution PDFAverage price of 20 pens is Rs. 18. If 12 new pens are added, then the average price rise by Rs. 4. What is the total price of the new pens?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFGiven:
Number of pens = 20
Average price of 20 pens = Rs. 18
Number of new pens added = 12
Increase in average price = Rs. 4
Formula:
Total price of pens = Number of pens × Average price
Calculation:
Total price of 20 pens = 20 × 18 = Rs. 360
Total price of 32 pens (20 old + 12 new) = 32 × (18 + 4) = 32 × 22 = Rs. 704
Total price of new pens = Total price of 32 pens - Total price of 20 pens = Rs. 704 - Rs. 360 = Rs. 344
The total price of the new pens is Rs. 344.
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