{"book":"adl0290","page":666,"text":"۱۹۶\n\n(۲۱) اگر یک توپ در ۹ دقیقه ۷ فیر کند پس معلوم\nکنید که توپ مذکور در یک ساعت چند فیر\nخواهد کرد ؟\n(۲۲) یک بوزینه میخواهد که بر یک ستون بالا\nشود و در یک دقیقه ۱۰ فٹ خیز می زند\nلاکن در دقیقه ثانی ۳ فٹ می افتد اگر\nبلندی ستون ۶۳ فٹ باشد معلوم کنید\nکه بوزینه مذکور در چند دقیقه به فرق آن\nخواهد رسید ؟\n(۲۳) یک ظرف دو انبو به دارد که یکی از آنها\nآب را می رساند و دیگری آب را می\nکشد اوّل در ۴۰ دقیقه ظرف را پر و\nدوم در یک ساعت آنرا خالی کرده می\nتواند پس اگر انبو به های مذکور نوبت\nبه نوبت یک دقیقه باز کرده شود معلوم کنید\nکه ظرف مذکور در چند ساعت پُر خواهد شد؟\n۱۹۸ - مثال ا و ب و ج از یک مقام روانه\nمیشوند و برگرد یک جزیره مدوّره که محیط\nآن ۳۰ میل است دور می نمایند آ","chars":661,"image":"https://storage.googleapis.com/adl-page-images/adl0290/00666.jpg","first_page":1,"last_page":1089,"title":"ʻIlm-i ḥisābعالم حساب","permalink":"https://afghanpress.org/book/adl0290/666","canvas":"https://afghanpress.org/iiif/adl0290/canvas/666","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."}}