Answers

2016-03-02T03:49:52+05:30
Let the c.p. of 1 card be rs x.
so, the c.p. of 8 cards=rs 8.
since, the s.p. of 8 cards= the c.p. of 10 cards= rs 10.
s.p.>c.p.
so, gain=10-8=rs2
so,gain%=2/8×100%=25%
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