Question

rinki bought 5 pencils for rs 4 and sell 4 pencils for rs 5. the gain percent in the transaction is?

Answer 1

$4 = 5 \\ 5 = 4 \\ 25 = 16 \\ 9 \: rs \: gain \\ 9 \times \frac{100}{16} = 9 \times 6.25 \\ = 56.25\%$

Answer 2

$4 = 5 \\ 5 = 4 \\ 25 = 16 \\ 9 \: rs \: gain \\ 9 \times \frac{100}{16} = 9 \times 6.25 \\ = 56.25\%$

Answer 3

$4 = 5 \\ 5 = 4 \\ 25 = 16 \\ 9 \: rs \: gain \\ 9 \times \frac{100}{16} = 9 \times 6.25 \\ = 56.25\%$