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Sofia will attend a sequence of daily training sessions for her job.

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Re: Sofia will attend a sequence of daily training sessions for her job. [#permalink]
Took a while to understand the situation. Basically each day she attends 2 trainings, but on the last day it could be 1 or 2 trainings. Question at the end of the 3rd day how many trainings left?

1. 6 days so total could be 12 (6*2) or 11 (5*2) +1)). No Good since two options for how many trainings left after day 3.
2. 11 total so (5*2) +1). This tells us how many left. Sufficient.

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Re: Sofia will attend a sequence of daily training sessions for her job. [#permalink]
Hello,
Please correct me if I am wrong, does
“ (1) The sequence of training sessions Sofia will attend will last 6 days ”
This imply that the session will last 6 days but it is not necessarily true that she will attend all 6?

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Re: Sofia will attend a sequence of daily training sessions for her job. [#permalink]
ofia will attend a sequence of daily training sessions for her job. On the last day of her training sessions she will attend either 1 session or 2 sessions. On each of the other days of her training sessions she will attend exactly 2 sessions. At the end of her third day of attending training sessions, how many sessions will Sofia have left to attend?

(1) The sequence of training sessions Sofia will attend will last 6 days.

(2) There are a total of 11 training sessions in the sequence of training sessions Sofia will attend.

This one is very easy.

Training sessions :-

Day1 Day2 Day3 Day4 Day5 Day6 ......

2 2 2 2 2 2/1

From statement 1 , we are not sure about the no. of sessions to atteneded on the last day i.e 6th day . Could be 1 or 2.

Statement 2 :-

2 , 2,2, (2,2,1) as the total no. of sessions is fixed i.e 11.

So he is left with 5 sessions. B is our ans.

GMATinsight
Re: Sofia will attend a sequence of daily training sessions for her job. [#permalink]
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