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A PhD research group has 12 male and 18 female participants. Males are what fraction of the class?

A. 2/5

B. 3/5

C. 2/3

D. 3/4

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সঠিক উত্তরঃ C. 2/3

Explanation:

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A PhD research group has 12 male and 18 female participants. Males are what fraction of the class?