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प्रश्न
Rohit bought a tape-recorder for Rs. 1,500 and sold it for Rs. 1,800. Calculate his profit or loss percent.
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उत्तर
C.P. of tape-recorder = Rs. 1500
S.P. = Rs. 1800
∴ Gain = S.P. - C.P.
= Rs. 1800 - Rs. 1500 = Rs. 300
Gain % = `("Gain" xx 100)/"C.P."`
`= (300 xx 100)/1500` = 20 %
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