Cost price of TV is Rs P. The TV is marked by Q% and sold while offering a discount of 25% and the profit earned is (Q + 20). When the same TV is marked by (Q +5)% and sold while offering a discount of 25%. The profit earned is (Q + 65).
Which of the following equation is correct?
1
P = 30 + 22Q
2
P = 40Q
3
0.25P = 1.4Q - 169
4
(2/3)P = 20Q
5
None of these