Question

the marked price of a mobile set was 30% about the cost price . when it was sold allowing 20%discount and gain was 150. find Mp and cp . (with full process and formula plz)

Answer 1

Answer:

As marked price is 20% more than the cost price, CP = 20% of x + x = 1200 => 120x/100 = 1200 => x = (1200 x 100)/120 => x = Rs. 1000. So, the cost price is Rs. 100.