A bookseller sells a book for Rs. 100, gaining Rs. 20. His gain per cent is
SP = Rs.100
Gain = Rs.20
CP = SP – Gain
= 100 -20
= Rs.80
=25%
3
A bookseller sells a book for Rs. 100, gaining Rs. 20. His gain per cent is
SP = Rs.100
Gain = Rs.20
CP = SP – Gain
= 100 -20
= Rs.80
=25%