A milkman sold two of his cow for 20000 each . On one he made a gain of 5% and on the othet a loss of 10 % .Find his overall gain or loss
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FOR THE FIRST COW -
SP=Rs.20000
Gain=5%
CP=100/100+G% ×SP
=100/105 ×20000
=Rs. 19047
FOR THE SECOND COW-
SP=Rs.20000
Loss=10%
CP=100/100-L% ×SP
=100/90 × 20000
=Rs.22222
Total CP=Rs.41269
Total SP=Rs.40000
CP>SP
LOSS=CP-SP
=Rs.1269
Loss%=loss/CP ×100
=1269/41269 ×100
=3% loss
SP=Rs.20000
Gain=5%
CP=100/100+G% ×SP
=100/105 ×20000
=Rs. 19047
FOR THE SECOND COW-
SP=Rs.20000
Loss=10%
CP=100/100-L% ×SP
=100/90 × 20000
=Rs.22222
Total CP=Rs.41269
Total SP=Rs.40000
CP>SP
LOSS=CP-SP
=Rs.1269
Loss%=loss/CP ×100
=1269/41269 ×100
=3% loss
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