Question

Cost price of 20 greeting cards is equal to the selling price of 16 greeting cards , find gain or loss percent

Answer 1

CP of 20 greetings =SP of 16 greetings
sp= 20
cp =16
gain = 20-16=4
gain percentage =
= 4/16multiplied by 100
=
25 percent

Answer 2

Answer:

Step-by-step explanation:

let the c.p. of 1 card be rs x.

so, the c.p. of 8 cards=rs 8.

since, the s.p. of 8 cards= the c.p. of 10 cards= rs 10.  

s.p.>c.p.

so, gain=10-8=rs2

so,gain%=2/8×100%=25%