find this section e 6.
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It's 0% profit and 0% loss
pranali3:
how
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i) selling price of first dvd player = sp = Rs4500
profit = g= 10%
cost price of the player = cp1= (sp* 100)/(100+g)
= (4500*100)/(100+10)
=4500*100/110
≈Rs 4090.90
ii) sp = Rs 4500
loss= l= 10%
cp2 = (sp*100)/(100- l)
= (4500*100)/(100-10)
= 4500*100/90
=Rs5000
iii) total cp = Rs 4090.90 +5000≈Rs9090.90
total sp = Rs4500+4500= 9000
cp > sp
he gets loss
loss = 9090.90 - 9000 ≈Rs 90.90
loss % = loss *100/total cp
≈ (90.90 *100)/9090.90≈0.9999 = 1%
profit = g= 10%
cost price of the player = cp1= (sp* 100)/(100+g)
= (4500*100)/(100+10)
=4500*100/110
≈Rs 4090.90
ii) sp = Rs 4500
loss= l= 10%
cp2 = (sp*100)/(100- l)
= (4500*100)/(100-10)
= 4500*100/90
=Rs5000
iii) total cp = Rs 4090.90 +5000≈Rs9090.90
total sp = Rs4500+4500= 9000
cp > sp
he gets loss
loss = 9090.90 - 9000 ≈Rs 90.90
loss % = loss *100/total cp
≈ (90.90 *100)/9090.90≈0.9999 = 1%
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