Correct option is D
Given:
Selling price of the first keyboard = ₹1,260
Profit on the first keyboard = 25%
Selling price of the second keyboard = ₹1,440
Loss on the second keyboard = 10%
Formula Used:
Cost Price (CP) with Profit:
CP=(1+Profit Percentage)SP
Cost Price (CP) with Loss:
CP=(1−Loss Percentage)SP
Total Gain or Loss Percentage:
Total Gain/Loss Percentage=Total Cost PriceTotal Profit or Loss×100
Solution:
For the first keyboard, sold at a 25% profit:
CP1=1+0.251260=1.251260=₹1,008
For the second keyboard, sold at a 10% loss:
CP2=1−0.101440=0.901440=₹1,600
Total Cost Price:
Total CP = ₹1,008 + ₹1,600 = ₹2,608
Total Selling Price:
Total SP = ₹1,260 + ₹1,440 = ₹2,700
Now,
Profit = Total SP − Total CP = ₹2,700 − ₹2,608 = ₹92
Gain Percentage=260892×100=163575=316386%
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