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题库 / OG2018Q-DS-244
Thearithmetic mean of a collection of 5 positive integers, not necessarilydistinct, is 9. One additional positive integer is included in the collectionand the arithmetic mean of the 6 integers is computed. Is the arithmetic meanof the 6 integers at least 10?
(1) Theadditional integer is at least 14.
(2) Theadditional integer is a multiple of 5.
Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient.
Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient.
BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient.
EACH statement ALONE is sufficient.
Statements (1) and (2) TOGETHER are NOT sufficient.
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