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1. Karim can buy single poster boards for 80 paisa each or a package of 12 poster boards for Taka 7.50. How much more (in Taka) would Karim have to pay for 3 dozen poster boards if he buys them individually than if he buys them in packages?
- A. 6.30
- B. 6.30
- C. 6.30
- D. 6.30
Answer: Option A
Explanation:
3×12=36
1 costs 80 paisa
So, 36 cost=80×36=2880 paisa=28.8 taka
Again,
1 dozen costs 7.50 taka
So, 3 dozens cost=3×7.50=22.5 taka
So, more=28.8-22.5=6.30 taka
(ans)
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