A certain zoo has mammals and reptiles and birds, and no other animals. The ratio of mammals to reptiles to birds is 11:8:5. How many birds are in the zoo?
Statement #1: there are twelve more mammals in the zoo than there are reptiles
Statement #2: if the zoo acquired 16 more mammals, the ratio of mammals to birds would be 3:1
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AStatement 1 ALONE is sufficient to answer the question, but statement 2 alone is NOT sufficient.
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BStatement 2 ALONE is sufficient to answer the question, but statement 1 alone is NOT sufficient.
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CBOTH statements 1 and 2 TOGETHER are sufficient to answer the question, but NEITHER statement ALONE is sufficient.
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DEach statement ALONE is sufficient to answer the question
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EStatement 1 and 2 TOGETHER are NOT sufficient to answer the question.
显示答案
正确答案: D