Free Practice Question
DS · Data Sufficiency
sub-505
Arithmetic
What is the average (arithmetic mean) of a and b?
(1) The average (arithmetic mean) of a + 2 and b + 7 is 12
(2) The average (arithmetic mean) of a, b and 6 is 7
(1) The average (arithmetic mean) of a + 2 and b + 7 is 12
(2) The average (arithmetic mean) of a, b and 6 is 7
Answer Choices
Sign in to reveal the correct answerA
Statement (1) ALONE is sufficient
B
Statement (2) ALONE is sufficient
C
BOTH statements TOGETHER are sufficient
D
EACH statement ALONE is sufficient
E
Statements (1) and (2) TOGETHER are NOT sufficient
Reveal the correct answer
Sign in for free to check your answer and unlock the full explanation.
Track your performance and improve
Get detailed analytics, unlock full explanations, and move up difficulty tiers as you practice.
Explanation
Unlock the full explanation
Create a free account to reveal the correct answer, see the step-by-step explanation, and start tracking your GMAT progress.
Comments
Sign in to join the discussion
No comments yet
Be the first to share your thoughts and help others understand it better.
Sign in to commentDetails
Difficulty
sub-505
Type
DS
Category