Mr. Random purchased a computer for Rs 32000 and a microwave oven for Rs 6500.On computer he lost 5% and on microwave he gained 15 %.Find his total gain or loss %.
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It can be done easily by this method.
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C. P of comp. =rs32000
C. P of oven =rs6500
Loss on comp. =5%
Therefore, 5/100×32000
=rs 1600
Now the cost of comp. =32000-1600
=rs 30400
Profit on oven =15%
Therefore, 15/100×6500
=rs975
Now the cost of oven =6500+975
=rs 7475
Total S. P on total transaction =30400+7475
=rs 37875
Total C . P on total transaction =32000+6500
=rs 38500
S. P <C. P
therefore there is a LOSS
C. P-S. P
Loss=Rs 38500-Rs 37875
=Rs625
Loss%=625/38500×100=1.6%
C. P of oven =rs6500
Loss on comp. =5%
Therefore, 5/100×32000
=rs 1600
Now the cost of comp. =32000-1600
=rs 30400
Profit on oven =15%
Therefore, 15/100×6500
=rs975
Now the cost of oven =6500+975
=rs 7475
Total S. P on total transaction =30400+7475
=rs 37875
Total C . P on total transaction =32000+6500
=rs 38500
S. P <C. P
therefore there is a LOSS
C. P-S. P
Loss=Rs 38500-Rs 37875
=Rs625
Loss%=625/38500×100=1.6%
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