Question

15 equal to the cost price of 6 articles. Find the loss %. (HOTS
By selling 10 guavas, a man gains an amount equal to selling price of 2 guavas. Find his profit %.

(14.) By selling 16 chairs, a dealer loses an amount equal to the selling price of 4 chairs. Find his profit %.​

Answer 1

Answer:

1. gains 25%

2. loss 20%

Step-by-step explanation:

gain on 10 guavas = sp of 10 guavas - cp of 10 guavas

sp of 2 guavas = sp of 10 guavas - cp of 10 guavas

sp of 8 guavas = cp of 10 guavas

accordingly sp is 10 and cp is 8

profit % = 2*100/8 = 25%

and the second question is to be solved by same method

the other method is a longer traditional method wherein the prices are supposed