The average (arithmetic mean) height of five of Peter's friends is 70 inches. What will be the new average height if Peter is included in the group?
(1) Peter's height is 1 foot greater than the average height of his five friends (1 foot = 12 inches).
(2) Peter is 5 inches taller than the tallest of his five friends.
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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.
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正确答案: A