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19 Jun 2025, 00:30
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B
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
25%
(medium)
Question Stats:
82% (00:50) correct
18%
(01:06)
wrong
based on 61
sessions
History
Date
Time
Result
Not Attempted Yet
What is the percentage increase in student enrollment from Year 2 to Year 3?
(1)The student enrollment nationwide was 160,000
(2) Student enrollment increased by 20% from Year 1 to Year 2. By Year 3, student enrollment was 30% greater than it was in Year 1.
Gentle note to all experts and tutors: Please refrain from replying to this question until the Official Answer (OA) is revealed. Let students attempt to solve it first. You are all welcome to contribute posts after the OA is posted. Thank you all for your cooperation!
(1)The student enrollment nationwide was 160,000
(2) Student enrollment increased by 20% from Year 1 to Year 2. By Year 3, student enrollment was 30% greater than it was in Year 1.
Gentle note to all experts and tutors: Please refrain from replying to this question until the Official Answer (OA) is revealed. Let students attempt to solve it first. You are all welcome to contribute posts after the OA is posted. Thank you all for your cooperation!
19 Jun 2025, 03:15
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Using only first statement we can not find out % increase in 3rd year compared to 2nd year.
Using 2nd statement lets find out the percentage increase in student enrollment from Year 2 to Year 3
Let's assume students enrolled in 1st year were 100. so there were 120 students enrolled in year 2 and in year 3 it is 130 (30% more compared to first year).
So in year 3 8.33% ((100* 10) / 120) more stdents enrolled compared to year 2.
So second statement alone is sufficient to find the answer,
Therefore, answer is B.
Using 2nd statement lets find out the percentage increase in student enrollment from Year 2 to Year 3
Let's assume students enrolled in 1st year were 100. so there were 120 students enrolled in year 2 and in year 3 it is 130 (30% more compared to first year).
So in year 3 8.33% ((100* 10) / 120) more stdents enrolled compared to year 2.
So second statement alone is sufficient to find the answer,
Therefore, answer is B.
19 Jun 2025, 05:24
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S1
The student enrollment nationwide was 160,000
Insufficient
S2
All the percentages are wrt to Year 1, i.e. they have the same base
Percentage increase in student enrollment from Year 2 to Year 3 = 30-20=10%
Sufficient
Answer B
The student enrollment nationwide was 160,000
Insufficient
S2
All the percentages are wrt to Year 1, i.e. they have the same base
Percentage increase in student enrollment from Year 2 to Year 3 = 30-20=10%
Sufficient
Answer B
Bunuel
