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Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
5%
(low)
Question Stats:
89% (00:52) correct
11%
(01:25)
wrong
based on 94
sessions
History
Date
Time
Result
Not Attempted Yet
If Harry's age is exactly three times Bill's age, what is Harry's age?
(1) Six years ago, Harry's age was fifteen times Bill's age
(2) Seven years from now, Harry's age will be twice Bill's age
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) Six years ago, Harry's age was fifteen times Bill's age
(2) Seven years from now, Harry's age will be twice Bill's age
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!
_________________
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Posts: 1,382
H=3B
H=?
We need to find B to get H
s1
Six years ago, Harry's age was fifteen times Bill's age
H-6=15(B-6)
H-6=15B-90
We also know H=3B
We can use these 2 equations to solve for B and H
Sufficient
(2) Seven years from now, Harry's age will be twice Bill's age
H+7=2(B+7)
H+7=2B+14
H=2B+7
We also know H=3B
We can use these 2 equations to solve for B and H
Sufficient
Answer D
H=?
We need to find B to get H
s1
Six years ago, Harry's age was fifteen times Bill's age
H-6=15(B-6)
H-6=15B-90
We also know H=3B
We can use these 2 equations to solve for B and H
Sufficient
(2) Seven years from now, Harry's age will be twice Bill's age
H+7=2(B+7)
H+7=2B+14
H=2B+7
We also know H=3B
We can use these 2 equations to solve for B and H
Sufficient
Answer D
Bunuel
Solution:
Let's assume Harry = H and Bill = B
H = 3B(Given)
(1) Six years ago, Harry's age was fifteen times Bill's age. Sufficient
H - 6 = 15(B - 6)
On solving the above equation, we get Bill's age as 7 years, so Harry's age would be 21 years.
(2) Seven years from now, Harry's age will be twice Bill's age. Sufficient
H + 7 = 2(B + 7)
On solving the above equation, we get Bill's age as 7 years, so Harry's age would be 21 years.
Hence, Option D
Let's assume Harry = H and Bill = B
H = 3B(Given)
(1) Six years ago, Harry's age was fifteen times Bill's age. Sufficient
H - 6 = 15(B - 6)
On solving the above equation, we get Bill's age as 7 years, so Harry's age would be 21 years.
(2) Seven years from now, Harry's age will be twice Bill's age. Sufficient
H + 7 = 2(B + 7)
On solving the above equation, we get Bill's age as 7 years, so Harry's age would be 21 years.
Hence, Option D
Bunuel
Souradeep17
Joined: 01 May 2025
Last visit: 20 Apr 2026
Posts: 328
Location: India
Concentration: Technology, Strategy
GMAT Focus 1: 605 Q80 V79 DI81 
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GMAT Focus 1: 605 Q80 V79 DI81
Posts: 328
Let Bill's age be X
Harry's age then will 3x
1.
6 years ago: Harry=15* Bill's age
3x-6=15(x-6) --> we can solve it and we will get x as 7 (hence sufficient)
2.
7 years from Now Harry=2 Bill's age
3x+7 = 2*( x+7)--> we can solve it and get x=7 (hence sufficient)
Option D both sufficient
Harry's age then will 3x
1.
6 years ago: Harry=15* Bill's age
3x-6=15(x-6) --> we can solve it and we will get x as 7 (hence sufficient)
2.
7 years from Now Harry=2 Bill's age
3x+7 = 2*( x+7)--> we can solve it and get x=7 (hence sufficient)
Option D both sufficient
Bunuel
Bunuel
Given H = 3B , we need to find H ?
Statement 1:
Six years ago, Harry's age was fifteen times Bill's age.
H-6 = 15* (B-6)
H-6 = 15B - 90.
solving we get B =7 and H =21 years.
Hence, Sufficient
Statement 2:
Seven years from now, Harry's age will be twice Bill's age.
H+7 = 2* (B+7)
H +7 = 2B + 14
B =7 and H = 21 years.
Hence, sufficient
option D
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