The cost price of an article is Rs. P and the article is marked up by Q%. The shopkeeper gave a discount of 25% because of which the profit earned is Rs. (Q + 20). If the article is marked up by (Q + 5)% and the same percentage of discount is given, the profit earned is Rs. (Q + 65), then which of the statement(s) is/are correct?
1
0.25P = 1.2Q - 132
2
0.5P = 15Q
3
P = 30 + 22Q
4
P = 20Q
5
None of the above