Free Practice Question
DS · Data Sufficiency
sub-505
Arithmetic
Company M is completely composed of two subsidiaries, X and Y. Each subsidiary has exactly 1,000 employees. What is the average salary of the employees at Company M ?
(1) The total salary of the employees in Subsidiary X is $50,000,000.
(2) 500 of the employees in Subsidiary Y have an average salary of $40,000, and the other 500 have an average salary of $55,000.
Answer Choices
Correct answer marked belowA
Statement (1) ALONE is sufficient
B
Statement (2) ALONE is sufficient
BOTH statements TOGETHER are sufficient
Correct
D
EACH statement ALONE is sufficient
E
Statements (1) and (2) TOGETHER are NOT sufficient
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What it tests
Your fluency with the order of operations, fractions, decimals, and basic number sense — the foundation every quant question leans on.
Common trap
Applying the order of operations out of sequence or rounding intermediate values before the final step.
Details
Difficulty
sub-505
Type
DS
Category