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प्रश्न
Find the gain or loss percent, if S.P. = Rs. 12 and profit = Rs. 4
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उत्तर
S.P. = Rs. 12 and profit = Rs. 4
∴ C.P. = S.P. - gain
= Rs. 12 - Rs. 4 = Rs. 8
Gain % =`("gain" xx 100)/"S.P" = (4 xx 100)/8 = 50%`
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