A book sells for Tk. 65. This price gives the seller a profit of 30% on his cost. what would be the new selling price if he cuts his profit 10% of the cost?
A
Tk. 55
B
Tk.50
C
Tk. 45
D
Tk. 40
Correct Answer: Tk. 55
At 30% profit, If selling price Tk.(100 + 30) or Tk.130 then buying price Tk.100 If selling price Tk.65 then buying price Tk (100 * 65)/130 = Tk.50