At a selling price of Tk 273 a book yields 30% profit. What selling price (in Taka) will yield the profit of 10%?
A
210
B
231
C
221
D
235
Correct Answer: 231
At 30% profit , If selling price is Tk.130 then cost is Tk.100 If selling price is Tk 273 then cost is Tk = (100×273)/130 = Tk.210 Selling price = 210 + 210 ×10% = 210 + 21 = 231