A person buys marbles at 20 per rupee and at 30 per rupee. He mixes them and sells them at 25 per rupee. His gain or loss in the transaction is
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Answer:
4% loss
Step-by-step explanation:
by taking L.C.M. of 20,25,30 =300
c.p. =300×1/20 +300×1/30
= 15+10= ₹25
s.p.= 600×1/25 =24
on comparing c.p. and s.p. we are in loss
therefore
Loss%= loss/C.p.×100
= c.p.-s p/cp×100
= 1/25×100
=4 %
Thus ,His loss in the transaction is 4%.
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