|
|
GMAT Club Daily Prep
Thank you for using the timer - this advanced tool can estimate your performance and suggest more practice questions. We have subscribed you to Daily Prep Questions via email.
Customized
for You
Track
Your Progress
Practice
Pays
Not interested in getting valuable practice questions and articles delivered to your email? No problem, unsubscribe here.
15 Oct 2020, 08:45
Kudos
Bookmarks
D
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
15%
(low)
Question Stats:
84% (01:52) correct
16%
(01:56)
wrong
based on 63
sessions
History
Date
Time
Result
Not Attempted Yet
A student’s average test score in algebra is 88 after eight tests have been taken. When the teacher drops the student’s two lowest test scores, the student’s average score increases to 92. What is the average score of the two tests that were dropped?
A. 72
B. 74
C. 75
D. 76
E. 78
A. 72
B. 74
C. 75
D. 76
E. 78
15 Oct 2020, 09:02
Kudos
Bookmarks
Explanation:
total score for 8 test = 88*8 = 704
total score for 6 test = 92*6 = 552
Difference = 704-552 = 152 i.e. sum of 2 lowest score
Average of 2 lowest score = 152/2 = 76
IMO-D
total score for 8 test = 88*8 = 704
total score for 6 test = 92*6 = 552
Difference = 704-552 = 152 i.e. sum of 2 lowest score
Average of 2 lowest score = 152/2 = 76
IMO-D
15 Oct 2020, 11:45
Kudos
Bookmarks
Solution:
The total score of the 8 tests are: 88*8= 704;
The total score of the 6 tests after the lowest scores are dropped: 92*6= 552;
The total of the two lowest scores= 704-552= 152;
Average of the two lowest scores= 152/2= 76;
Therefore, the answer is D.
The total score of the 8 tests are: 88*8= 704;
The total score of the 6 tests after the lowest scores are dropped: 92*6= 552;
The total of the two lowest scores= 704-552= 152;
Average of the two lowest scores= 152/2= 76;
Therefore, the answer is D.
