Option C
Buy: \(20 kgs * 6 rs = 120 rs\)
Sell: \((20 - x)*8 rs + x*5 rs\)
As there's no profit: \(Buy = Sell\):
\((20 - x)*8 + x*5 = 120\)
\(x = \frac{40}{3}\)
Buy: \(20 kgs * 6 rs = 120 rs\)
Sell: \((20 - x)*8 rs + x*5 rs\)
As there's no profit: \(Buy = Sell\):
\((20 - x)*8 + x*5 = 120\)
\(x = \frac{40}{3}\)








