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Jason deposits money at a bank on a Tuesday and returns to t

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GRE Prep Club Legend
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Joined: 07 Jun 2014
Posts: 4857
GRE 1: Q167 V156
WE: Business Development (Energy and Utilities)
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Jason deposits money at a bank on a Tuesday and returns to t [#permalink] New post 12 Aug 2018, 15:44
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Question Stats:

75% (00:25) correct 25% (01:17) wrong based on 12 sessions
Jason deposits money at a bank on a Tuesday and returns to the bank 100 days later to withdraw the money. On what day of the week did Jason withdraw the money from the bank?

(A) Monday
(B) Tuesday
(C) Wednesday
(D) Thursday
(E) Friday
[Reveal] Spoiler: OA

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Sandy
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GRE Prep Club Legend
GRE Prep Club Legend
User avatar
Joined: 07 Jun 2014
Posts: 4857
GRE 1: Q167 V156
WE: Business Development (Energy and Utilities)
Followers: 105

Kudos [?]: 1783 [0], given: 397

Re: Jason deposits money at a bank on a Tuesday and returns to t [#permalink] New post 17 Aug 2018, 16:02
Expert's post
Explanation

This is a pattern problem. An efficient method is to recognize that the 7th day after the initial deposit would be Tuesday, as would the 14th day, the 21st day, etc. Divide 100 by 7 to get 14 full weeks comprising 98 days, plus 2 days left over.

For the two leftover days, think about when they would fall. The first day after the deposit would be a Wednesday, as would the first day after waiting 98 days. The second day after the deposit would be a Thursday, and so would the 100th day.
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Re: Jason deposits money at a bank on a Tuesday and returns to t [#permalink] New post 03 Mar 2019, 18:47
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sandy wrote:
Jason deposits money at a bank on a Tuesday and returns to the bank 100 days later to withdraw the money. On what day of the week did Jason withdraw the money from the bank?

(A) Monday
(B) Tuesday
(C) Wednesday
(D) Thursday
(E) Friday


Note that 7 days after he deposits the money, it is again Tuesday, and every number of days that is a multiple of 7 will again be Tuesday. Thus, we see that 7 x 14 = 98 days later it is a Tuesday. Thus, the 99th day is Wednesday, and the 100th day is Thursday.

Answer: D
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Re: Jason deposits money at a bank on a Tuesday and returns to t [#permalink] New post 18 Mar 2019, 15:43
I think the trick is : He returns to the bank after 100 days of deposit .
Re: Jason deposits money at a bank on a Tuesday and returns to t   [#permalink] 18 Mar 2019, 15:43
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Jason deposits money at a bank on a Tuesday and returns to t

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