Solution:
Cost of radio Rs.2700; repairs Rs.300.
Real, full cost price to Ahmed (what he spent to get it) is Rs.3000
Sold to Karim at 25% profit: S.P. is 125% of 3000 = 3000 x 1.25 = Rs.3750
Sold toSubramaniyam at 10% loss: S.P. is 90% of 3750 = 3750 x 0.90 = Rs.3375.00
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