GMAT Practice Question Set #14 (Question 40-42)

Data Sufficiency Question #40: Arithmetic Mean  
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The arithmetic mean of four distinct integers is 30. How many of the integers are below 30?

1. Each integer is less than 60.

2. Two of the four integers are 9 and 10.

(A)

Statement 1 alone is sufficient but statement 2 alone is not sufficient to answer the question asked.

(B)

Statement 2 alone is sufficient but statement 1 alone is not sufficient to answer the question asked.

(C)
Both statements 1 and 2 together are sufficient to answer the question but neither statement is sufficient alone.
(D)

Each statement alone is sufficient to answer the question.

(E)

Statements 1 and 2 are not sufficient to answer the question asked and additional data is needed to answer the statements.

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