Question
Ravi sold a gadget to Prashant with a 15% profit. Prashant
then sold it to Rina, earning the same absolute profit (in Rs.) that Ravi made. Finally, Rina sold the gadget to Seema at a 45% profit. By what percentage is the cost price of the gadget for Seema greater than the cost price for Ravi?Solution
ATQ;
Let the cost price of the gadget for Ravi be Rs. '100x'.
So, cost price of the gadget for Prashant = 100x X 1.15 = Rs. '115x'.
Profit made by Ravi = 115x - 100x = Rs. 15x.
Cost price of the gadget for Rina = 115x + 15x = Rs. 130x.
So, cost price of the gadget for Seema = 130x X 1.45 = Rs. 188.5x.
So, required % = {(188.5x - 100x)/100x} X 100 = 88.5%.
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