{"book":"adl0290","page":641,"text":"۱۷۱\n\nپر شود ؟\n(۲۲) ا یک حوض را در ۲ ساعت و ب در ۳\nساعت پر میکند لاکن ج حوض مذکور را خالی\nمی کند اگر ا و ب و ج هر سه نصف ساعت\nباز شوند در ۳۰ دقیقه ۱۷/۲۴ حصہ حوض پُر می\nگردد پس معلوم کنید که ج حوض مذکور\nرا در چند دقیقه خالی کرده می تواند ؟\n(۲۳) ۴۰ نفر یک کار را در ۴۰ یوم میکنند لیکن\nاگر ۵ نفر بعد از هر ده یوم مرخص شوند پس\nمعلوم کنید که کار مذکور در چند روز تمام\nخواهد شد ؟\n\n۱۹۶ - سوالات در باب ساعت\nمثال ۱ روز دوشنبه در دو ساعت ۱۲ بجه\nاست و در ۲۴ ساعت یکی از آنها ۴۰\nثانیه پیش می رود و دیگر ۵۰ ثانیه پس\nمیماند دریافت کنید که مابین دو ساعت\nمذکور فرق ۱۶ دقیقه بعد از چه قدر عرصه\nواقع خواهد شد ؟","chars":592,"image":"https://storage.googleapis.com/adl-page-images/adl0290/00641.jpg","first_page":1,"last_page":1089,"title":"ʻIlm-i ḥisābعالم حساب","permalink":"https://afghanpress.org/book/adl0290/641","canvas":"https://afghanpress.org/iiif/adl0290/canvas/641","source":"https://afghanistandl.nyu.edu/books/adl0290/","source_pdf":"https://afghanistandl.nyu.edu/pdf/adl0290_download.pdf","rights":{"image":{"statement":"Public domain. NYU states: \"All works presented on this website are, unless otherwise indicated, in the public domain. The images available on this website may be freely reproduced, distributed and transmitted by anyone for any purpose, commercial or non-commercial.\"","uri":"http://rightsstatements.org/vocab/NoC-US/1.0/","holder":"New York University Libraries","source":"https://afghanistandl.nyu.edu/about.html","delivery":"Images are served from a copy mirrored by this project, not from NYU's servers, under the reproduction terms above.","endorsement":"This is an independent project. It is not affiliated with, endorsed by, or reviewed by New York University."},"text":{"statement":"Machine-generated transcription, dedicated to the public domain under CC0 1.0. No warranty of accuracy: see the provenance block on every page.","uri":"https://creativecommons.org/publicdomain/zero/1.0/","holder":"Steps Ventures"}},"provenance":{"text_produced_by":"gemini-3.1-pro-preview","thinking_level":"low","read_completed":"2026-08-09","per_page_confidence":null,"per_page_confidence_note":"Not recorded during the corpus run. No calibrated per-page score exists, and none is estimated here.","human_reviewed":false,"accuracy_context":"Roughly two thirds of characters agree with a modern printed edition of the same text. Much of the disagreement is editorial, not misreading. Treat the transcription as a finding aid and read the page image before quoting.","primary_source":"The page image. The text is an index into it."}}