Question

Chama bought 20kg of rice at rs.18 per kg and 25 kg of rice at rs 16.He mixed the two varieties and sold the mixture at rs.19 per kg fimd his gain percent

Answer 1

price of 20kg rice =18*20

=360

peice of 25kg rice=16*25

=400

total=760rs for 45kg rice

then ,price of 1kg rice

=760/45

=16.8

then, profit=19-16.8

=2.2

profit%=2.2/16.8*100=13%