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If Aishas age is exactly a third of Sukis, what is Aishas age?

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Bunuel
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If Aishas age is exactly a third of Sukis, what is Aishas age? [#permalink] New post  25 Jul 2018, 23:20
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00:00
A
B
C
D
E

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35% (medium)

Question Stats:

72% (01:18) correct 28% (01:55) wrong based on 39 sessions
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If Aisha’s age is exactly a third of Suki’s, what is Aisha’s age?


(1) In 15 years, Aisha will be as old as Suki.
(2) 5 years ago, Suki was 4 times older than Aisha.

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StudiosTom
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Re: If Aishas age is exactly a third of Sukis, what is Aishas age? [#permalink] New post  Updated on: 25 Jul 2018, 23:45
Bunuel wrote:
If Aisha’s age is exactly a third of Suki’s, what is Aisha’s age?


(1) In 15 years, Aisha will be as old as Suki.
(2) 5 years ago, Suki was 4 times older than Aisha.


Let Aisha age=A,Suki Age=S
A=(1/3)S
statement 1:
A+15=S+15
Two equations ,two variables,Sufficient.

statement 2:
4(A-5)=S-5
Two equations ,two variables,Sufficient

Ans:D

Originally posted by StudiosTom on 25 Jul 2018, 23:27.
Last edited by StudiosTom on 25 Jul 2018, 23:45, edited 2 times in total.
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Re: If Aishas age is exactly a third of Sukis, what is Aishas age? [#permalink] New post  25 Jul 2018, 23:39
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To find Aishas age

Aisha’s age is exactly a third of Suki’s => A = \(\frac{S}{3}\) => 3A = S

Statement 1

In 15 years, Aisha will be as old as Suki.

=> A + 15 = S + 15

=> A = S

From question stem we have 3A = S

=> A = S = 0

Statement 1 is sufficient

Statement 2

5 years ago, Suki was 4 times older than Aisha

4(A-5) = S-5

=> 4A = S + 15

=> 4A = 3A + 15

=> A = 15

Statement 2 is sufficient

Hence option D
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Re: If Aishas age is exactly a third of Sukis, what is Aishas age? [#permalink] New post  26 Jul 2018, 12:52
1
Kudos
How is statement 1 possible at all? Even though by calculating we get A=S=0, but how is this possible logically?
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poorvi125
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Re: If Aishas age is exactly a third of Sukis, what is Aishas age? [#permalink] New post  05 Oct 2022, 02:52
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Kudos
Poor Quality question

Statement 1 contradicts the fact given in question stem, unless you consider than both Aisha's and Suki's age in present is 0. But if their age is 0, how are they even named as Aisha and Suki yet?
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Re: If Aishas age is exactly a third of Sukis, what is Aishas age? [#permalink] New post  05 Oct 2022, 04:25
1
Kudos
Bunuel wrote:
If Aisha’s age is exactly a third of Suki’s, what is Aisha’s age?

(1) In 15 years, Aisha will be as old as Suki.
(2) 5 years ago, Suki was 4 times older than Aisha.

The question has a problem. When the answer to a DS question is D, the two statements should both lead to the same answer. That is not the case here.

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Thank you for understanding, and happy exploring!

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Re: If Aishas age is exactly a third of Sukis, what is Aishas age? [#permalink]
05 Oct 2022, 04:25
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