Am I 40 now?
(1) I was 5/4 my wife's age 2 years ago, who will be of my present age 7 years hence.
(2) My wife will be 40 in another 10 years from now and we'll celebrate her 40th birthday and my retirement party, the same day.
we’ll celebrate
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- sanju09
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- ajith
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[spoiler]1. If my current age is x and my wife's age is ysanju09 wrote:Am I 40 now?
(1) I was 5/4 my wife's age 2 years ago, who will be of my present age 7 years hence.
(2) My wife will be 40 in another 10 years from now and we'll celebrate her 40th birthday and my retirement party, the same day.
(y-2) = 4/5 (x-2)
y+7 = x
y-2 = 4/5 (y+5)
y= 22
Sufficient
2. Is not sufficient since we do not know the retirement age
[/spoiler]
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- sanju09
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[spoiler]But the author claims that his wife is not 22 now. Did you take that question personal?[/spoiler]ajith wrote:[spoiler]1. If my current age is x and my wife's age is ysanju09 wrote:Am I 40 now?
(1) I was 5/4 my wife's age 2 years ago, who will be of my present age 7 years hence.
(2) My wife will be 40 in another 10 years from now and we'll celebrate her 40th birthday and my retirement party, the same day.
(y-2) = 4/5 (x-2)
y+7 = x
y-2 = 4/5 (y+5)
y= 22
Sufficient
2. Is not sufficient since we do not know the retirement age
[/spoiler]
The mind is everything. What you think you become. -Lord Buddha
Sanjeev K Saxena
Quantitative Instructor
The Princeton Review - Manya Abroad
Lucknow-226001
www.manyagroup.com
Sanjeev K Saxena
Quantitative Instructor
The Princeton Review - Manya Abroad
Lucknow-226001
www.manyagroup.com
1) N = Husband's Age Today
W = Wife's Age today
W = N - 7
Husband's current age = N-2 = 5/4 (W-2)
= N-2 = 5/4 (N-7-2)
= -1/4N = -37/4
= 37 Years old
Wife's Current Age = 37-7 = 30 Years old (checks out with statement 2 as well: 30 + 10yrs = 40)
Husband is 37 years old, SUFFICIENT
2) We do not now an official retirement age, nor do we have any information to gauge their ages relative to eachother so this is insufficient. Though, according to statement 1 he would be retiring at 47 if I'm right...lucky guy.
My answer is A.
W = Wife's Age today
W = N - 7
Husband's current age = N-2 = 5/4 (W-2)
= N-2 = 5/4 (N-7-2)
= -1/4N = -37/4
= 37 Years old
Wife's Current Age = 37-7 = 30 Years old (checks out with statement 2 as well: 30 + 10yrs = 40)
Husband is 37 years old, SUFFICIENT
2) We do not now an official retirement age, nor do we have any information to gauge their ages relative to eachother so this is insufficient. Though, according to statement 1 he would be retiring at 47 if I'm right...lucky guy.
My answer is A.