Question

G) On selling a bat for
100, a man gains 20. His gain%
​

Answer 1

Answer:

his gain percent is 20 percent

Answer 2

SOLUTION :

$selling \: price \: (sp) = rs.100 \\ \\ let \: cost \: price \: be \: (cp) \: \\ \\ gain = rs.20 \\ \\ = > (sp) - (cp) = rs.20 \\ \\ = > rs.100 - (cp) = rs.20 \\ \\ = > - (cp) = - rs.80 \\ \\ = > (cp) = rs.80 \\ \\ gain\% = \frac{gain \times 100}{cp} \\ \\ = \frac{20 \times 100}{80} = 25\%$

HOPE IT HELPS !!!!