A man purchased equal number of bananas 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 11Taka 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
E. 40
সঠিক উত্তরঃ
B.
50
Explanation:
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