Question

The cost price of three articles P, Q and R are in the ratio 3:7:5 and their selling price are in the ratio of 1:4:2 respectively. What is the cost price of article R, If the difference between the cost price and selling price of three articles is same and is equal to Rs 100.

Answer 1

Answer:

price of two articles are 3x and 4x

After increment price become 3.3x and (4x+4)

Now, according to question,

(4x+4)

3.3x

=

4

3

13.2x=12x+1

13.2x−12x=12

1.2x=12

x=10

So, original price of second article =4x=4×10=Rs 40.