Cost of 4 dozens bananas is Rs. 60. How many bananas can be purchased for Rs. 12.50?
It is given in the question that,
Number of bananas bought in Rs. 60 = 4 dozens
= 4 × 12
= 48
Number of bananas bought in Rs. 1 = 
Therefore,
Number of bananas bought in Rs. 12.50 = 
× 12.50
= 10 bananas
Hence, 10 bananas can be produced for Rs. 12.50
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