The following table shows the number of students enrolled in different streams in a particular college.
The ratio of the number of girls studying Arts to the number of girls studying in all other streams is:
Number of girls studying Arts = 45
Number of girls studying in all other streams = 18 + 42 + 30 = 90
The ratio of the number of girls studying Arts to the number of girls studying in all other streams = 45 :Â 90 = 1 :Â 2
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