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1. The price of a mobile set Tk. 4200, which includes 20% profit mark up. What is the cost of the mobile set ?
- A. Tk. 3360
- B. Tk. 3360
- C. Tk. 3360
- D. Tk. 3360
Answer: Option C
Explanation:
If SP 120 then CP 100
If SP 4200 then CP (100×4200)/120=3500 taka
(ans)
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