# A person sold two steel almirah for 1980 rs each. on one he gained 10% while on the other he lost 10%.what he gain or lost in bargain

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by raj42

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by raj42

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A/q,

x + 10x/100 =1980

⇒ 11x/10 = 1980

⇒x = 1980×10/11

⇒CP =Rs 1800

now,

x - 10x/100 = 1980

⇒9x/10 = 1980

⇒x = 1980×10/9

⇒CP =Rs 2200

∴gain = 4000 - 3960 = Rs 40

and SP = (1- loss/100)CP to find the CP in both the cases.