Mary has been paying telephone bills monthly for 24 consecutive months. Is the average of 24 months of telephone bills greater than 50?
Condition 1: At least the monthly bill is greater than 48
Condition 2: At least more than half of the month's phone bill exceeds 51
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AStatement (1) ALONE is sufficient, but statement (2) alone is not sufficient.
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BStatement (2) ALONE is sufficient, but statement (1) alone is not sufficient.
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CBoth statements TOGETHER are sufficient, but NEITHER one ALONE is sufficient.
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DEACH statement ALONE is sufficient.
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EStatements (1) and (2) TOGETHER are NOT sufficient.
显示答案
正确答案: E