A man sells two pipes at R 27 each. He gain 20% on one and loses 10% on the other. How much profit or loss?
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s. p of two pipes=27×2=54
cp of pipes on which he gain 20%
=27×100/120=22.5
c.p of pipe on which he lose 10%
=27×100/90=30
total cp=22.5+30=52.5
profit=54-52.5=1.5
profit%=1.5/52.5×100=20/7%
cp of pipes on which he gain 20%
=27×100/120=22.5
c.p of pipe on which he lose 10%
=27×100/90=30
total cp=22.5+30=52.5
profit=54-52.5=1.5
profit%=1.5/52.5×100=20/7%
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