Question

A trader sells two articles at 6000 each. He makes a profit of 20% on the sale
the first article and a loss of 20% on the sale of the second article. What is his net
gain or loss per cent?​

Answer 1

S.P = 6000rs

C.P = 100/100+20×6000

=100/120×6000

=5000rs

S.P =6000rs

Loss = 20%

C.P = 100/100-20×6000

=100/80×6000

=7500rs

Total C.P = (5000+7500)rs

=12500rs

Total S.P = (6000+6000)rs

=12000rs

When S.P <C.P = Loss

Loss℅ = C.P - S.P/C.P×100

=12500-12000/12500×100

=500/12500×100

=4℅