Free Practice Question
DS · Data Sufficiency
sub-505
Algebra
Does x + y = 5 ?
(1) 4x + y = 17
(2) x + 4y = 8
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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Explanation
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Sign in to commentWhat this question tests
What it tests
Your ability to manipulate linear and quadratic expressions, substitute unknowns, and solve equations under time pressure.
Common trap
Losing a sign when moving terms across the equals sign, or dividing both sides by a variable that could equal zero.
Details
Difficulty
sub-505
Type
DS
Category