Question

Mr A sold an article to Mr B at a profit of 2.5% B sold same article to Mr C at a loss of 10% if C paid 9.90 rupees for it so,how much did it cost A​

Answer 1

Answer:

A SOLD Art to B=2.5%=5/2 profit

A cost price is =2unit

A selling price =B cost price =5unit

B sell C in 10% loss =1/10

A:B:C=4:10:9

C buy 9.90rupees

9unit=9.90

1unit=1.1

4unit=4.4rup A cost price