Question

a shopkeeper gets rupees 30 less if instead of selling calculator at profit of 20% it is sold at a profit of 18% find cost price of calculator​

Answer 1

Answer:

According to question 20 % of x is 30 more than 18% of x, ( we have taken x as the cp of the article)

=x/5-30=9x/50

=x/5-9x/50=30

=(10x -9x )/50 =30

=x/50= 30

=therefore x= 30×50

=1500.