Question

selling price of 12 pens is equal to cost of 14 pens find the gain percent​

Answer 1

let the CP of each pen be = x

then,

CP of 12 pens = Rs.12

SP of 12 pens =CP of 14 pens = Rs.14

now,gain=SP-CP =Rs.2

gain%=gain/CP*100

=(2/12*100)%=50/3%

=16.666