a shopkeeper sells a small geyser foe rupees 3360and gains 1/6 of its cost price. Find his gain %?
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Let, CP be x
Since, SP=3360
and Gain=1/6 of x or x/6
x=3360/1-x/6
x=(20160-x)/6
6x=20160-x
6x+x=20160
7x=20160
x=20160/7
x=2880
Gain=SP-CP
Gain=3360-2880
Gain=480
Gain%=(480*100)/2880
Therefore Gain%=16.66%
Since, SP=3360
and Gain=1/6 of x or x/6
x=3360/1-x/6
x=(20160-x)/6
6x=20160-x
6x+x=20160
7x=20160
x=20160/7
x=2880
Gain=SP-CP
Gain=3360-2880
Gain=480
Gain%=(480*100)/2880
Therefore Gain%=16.66%
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