By selling a radio for Rs. 950, a man loses 5%. What per cent shall he gain by selling it for Rs. 1040?


SP = Rs.950


Loss % = 5




= Rs.1000


New SP will be Rs.1040


Gain = SP - CP


= 1040 – 1000


= Rs.40



= (40 × 100) / 1000


= 4%

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