Question

by selling a table for rupees 512 a trader losses 20% for how much rupee should he sell to gain 20%​

Answer 1

Answer:

cp of table=sp×100/100-loss%

=512×100/100-20

=₹640

sp at gain of 20%=cp×100+gain %/100

=640×100+20/100

=₹768

sp at gain of 20%=₹768

hope it helps you...