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Shawana made a schedule for reading books during 4 weeks (28 days) of
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17 Jun 2017, 08:50
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Shawana made a schedule for reading books during 4 weeks (28 days) of her summer vacation. She has checked out 12 books from the library. The number of pages in each book and the order in which she plans to read the books are shown in the table above. She will read exactly 50 pages each day. The only exception will be that she will never begin the next book on the same day that she finishes the previous one, and therefore on some days she may read fewer than 50 pages. At the end of the 28th day, how many books will Shawana have finished?
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17 Jun 2017, 10:12
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Since Shawama can read upto 50 pages in a day, and doesn't read the next book on the same day, once she has finished reading a book on that day.
She will read the following books for the following days. Book1 - 253 pages will take 6 days Book2 - 110 pages will take 3 days - (Total: 9 days) Book3 - 117 pages will take 3 days - (Total: 12 days) Book4 - 170 pages will take 4 days - (Total: 16 days) Book5 - 155 pages will take 4 days - (Total: 20 days) Book6 - 50 pages will take 1 days - (Total: 21 days) Book7 - 205 pages will take 5 days - (Total: 26 days) Book8 - 70 pages will take 2 days - (Total: 28 days)
Hence, she would have read 8 books in total at the completion of the 28th day(Option B)
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Re: Shawana made a schedule for reading books during 4 weeks (28 days) of
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17 Jun 2017, 11:58
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AbdurRakib wrote:
Attachment:
2018.OG.05.079.q.jpg
Shawana made a schedule for reading books during 4 weeks (28 days) of her summer vacation. She has checked out 12 books from the library. The number of pages in each book and the order in which she plans to read the books are shown in the table above. She will read exactly 50 pages each day. The only exception will be that she will never begin the next book on the same day that she finishes the previous one, and therefore on some days she may read fewer than 50 pages. At the end of the 28th day, how many books will Shawana have finished?
A. 7 B. 8 C. 9 D. 10 E. 11
Shawana reads 50 pages per day. Exception will be that she will never begin the next book on the same day that she finishes the previous one.
Book 1 = 253 pages = 253/50 = 5 days and 3 pages left. Total of 6 days. (------ 6 days)
Book 2 = 110 pages = 110/50 = 2 days and 10 pages left. Total of 3 days. (------- 6 + 3 = 9 days)
Book 3 = 117 pages = 117/50 = 2 days and 17 pages left. Total of 3 days. ( -------- 9 + 3 = 12 days)
Book 4 = 170 pages = 170/50 = 3 days and 20 pages left. Total of 4 days. (------------ 12 + 4 = 16 days)
Book 5 = 155 pages = 155/50 = 3 days and 5 pages left. Total of 4 days. (----------- 16 + 4 = 20 days)
Book 6 = 50 pages = 50/50 = 1 day and 0 pages left. Total of 1 day. (------------- 20 + 1 = 21 days)
Book 7 = 205 pages = 205/50 = 4 days and 5 pages left. Total of 5 days. (------------ 21 + 5 = 26 days)
Book 8 = 70 pages = 70/50 = 1 day and 20 pages left. Total of 2 days. (--------------- 26 + 2 = 28 days)
Therefore she can read total of 8 books in 28 days. Answer (B)...
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14 Aug 2017, 07:41
If she finishes the 6th book on the 21st day, how can she start another one that day when Q stem said she can never start another book the same day.. ? please explain... If I continue to start the 7th book on 22nd day the result will be A.
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14 Aug 2017, 09:52
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AnnKatrin wrote:
If she finishes the 6th book on the 21st day, how can she start another one that day when Q stem said she can never start another book the same day.. ? please explain... If I continue to start the 7th book on 22nd day the result will be A.
Then, she starts the 7th book on the 22nd day, and reads 50 pages on the 22nd day. She will read till the 100th page on the 23rd day ,she will read till the 150th page on the 24rth day ,she will read till the 200th page on the 25th day ,and she will read the remaining 5 pages(from 201 to 205) on the 26th day.
Now she starts the 8th book on the 27th day, 50 pages on day 27 and 20 remaining pages of the 70 page book on day 28.
Hence, she would have finished 8 books on the 28th day
Hope that helps you!
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Re: Shawana made a schedule for reading books during 4 weeks (28 days) of
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18 Aug 2017, 08:59
AbdurRakib wrote:
Attachment:
2018.OG.05.079.q.jpg
Shawana made a schedule for reading books during 4 weeks (28 days) of her summer vacation. She has checked out 12 books from the library. The number of pages in each book and the order in which she plans to read the books are shown in the table above. She will read exactly 50 pages each day. The only exception will be that she will never begin the next book on the same day that she finishes the previous one, and therefore on some days she may read fewer than 50 pages. At the end of the 28th day, how many books will Shawana have finished?
A. 7 B. 8 C. 9 D. 10 E. 11
We will list the number of days it will take to read each book. Since Shawana does not start a new book the same day she finishes a book, the number of days for her to read a book will be one more than the number of pages of the book divided by 50 (ignoring remainders).
Book 1: 6 days Book 2: 3 days (Total: 9 days) Book 3: 3 days (Total: 12 days) Book 4: 4 days (Total: 16 days) Book 5: 4 days (Total: 20 days) Book 6: 1 day (Total: 21 days) Book 7: 5 days (Total: 26 days) Book 8: 2 days (Total: 28 days)
So, in 28 days, Shawana will have finished 8 books.
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13 May 2018, 02:52
Quote:
Shawana made a schedule for reading books during 4 weeks (28 days) of her summer vacation. She has checked out 12 books from the library. The number of pages in each book and the order in which she plans to read the books are shown in the table above. She will read exactly 50 pages each day.The only exception will be that she will never begin the next book on the same day that she finishes the previous one, and therefore on some days she may read fewer than 50 pages. At the end of the 28th day, how many books will Shawana have finished?
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27 Aug 2018, 08:12
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luckswithlucky wrote:
Is there any other method to solve this quest as this technique is taking minimum 2.5 mins
You are the lucky one. It took for me 3.17 to solve the question. On GMAT you will find that some questions take less or more than 2 min to solve. And that's OK, because the avarage time will be 2 min. If you master DS questions, they will be a real time saver, leaving some extra time for hard PS questions.
Re: Shawana made a schedule for reading books during 4 weeks (28 days) of
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15 Jul 2019, 01:03
Total pages : 1750
Every day :50 pages ;
So total time it will take : 1750/50 = 35 days.
But she need to finish it in 28 days = So 28 days * 50 pages per day = 1400 pages.
So remaining pages = 1750 -1400= 350 pages.
If we will add the 11th and 12th book = 143+ 207 = 350 pages.
It means for sure he has not read the 11th and 12 book. So not total book in count not 12 its 10 book only.
But if we will calculate for each day DAY. She can read( 50 pages everyday) + Extra day after reading 50 per day BOOK 1: 5 + 1 BOOK 2: 2+1 BOOK 3: 2+1 BOOK 4: 3+1 BOOK 5: 3+1 BOOK 6: 1 BOOK 7: 4+1 BOOK 8: 1+1
If we will Toal these days we will get 28days. So Answer till BOOK 8
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