1 . A man purchased equal number of banans at two different rates one at the rate of 8 taka per dozen and the other at the rate of 10 taka per dozen. After that , he sold those bananas at an average rate of 11 taka per dozen and thus made a profit of 100 taka. How many dozens of banana did he purchase altogether?

  • A. 60
  • B. 50
  • C. 55
  • D. 45
  • D. None of them
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