1 . Each boy contributed money equal to the number of girls and each girl contributed money equal to the number of boys in a class of 60 students. If the total contribution thus collected is Tk. 1,600, how many boys are there in the class?
- A. 30
- B. 25
- C. 50
- D. 20
- D. None of these
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দুর্নীতি দমন কমিশনের সহকারী পরিচালক-১২.০৪.২০১৩
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