Skip to content
free
K
1
2
practice
Home
Math
English
Science
Social Studies
Contact
Language
English
Español
Sign In
/
College Test Prep
/
GMAT
/
Percentage Points versus Percent Change
Grade Level
GMAT
DI.037 Percentage Points versus Percent Change
0%
Skill Level
🔴 Hard
00:00
Progress to Next Level
25% to Medium
Easy
Medium
Hard
Mastery
100%
Initially, two cohorts have success counts of 100 out of 400 and 150 out of 600. Later, the counts are 144 out of 480 and 162 out of 720. What happens to the combined success rate?
A
It rises from 25% to 26.25%, the unweighted average of 30% and 22.5%.
B
It rises from 25% to 25.5%, an increase of 0.5 percentage point and 2% relatively.
C
It rises by 0.5% relatively because the direct difference is 0.5.
D
It remains 25% because one later cohort is above 25% and the other below 25%.
E
It rises by 56 percentage points because total successes rise from 250 to 306.
Submit Answer
