If 5% more is gained by selling an article for Tk.350 than by selling it for Tk.340, the cost of the article is-

If 5% more is gained by selling an article for Tk.350 than by selling it for Tk.340, the cost of the article is- Correct Answer Tk.200

Hints: Let cost price of an article x When SP is 340 Tk, then gain % = 340 - x /x ×100 When SP is increased, if 5% more is gained by selling an article for 350 TK. than by selling if for 340 TK. Then, [ (350 - x)/x ×100] - [ (340 - x)/x × 100 ] = 5 100/x [ 350 - x - 340 + x ] = 5 100/x [10] = 5 x = 1000/5 = 200 TK.
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