maths profit and loss of class 7
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remaining pens = 150-50= 100
cost of each pen = 12 ₹
cost of 100 pens = 100*12= 1200
gain % = 15 ℅
then gain = gain % *cp
15*1200/100=180
overall gain on 100 pens = 180 ₹
cost of each pen = 12 ₹
cost of 100 pens = 100*12= 1200
gain % = 15 ℅
then gain = gain % *cp
15*1200/100=180
overall gain on 100 pens = 180 ₹
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First we have to find C.P
And then again we have to find C.P of 100 (left pens )
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