{"paper":{"id":"site-2640","subject":"matematyka","category":"zbiory","year":0,"month":null,"level":"podstawowa","variant":null,"exam_pdf":null,"key_pdf":null,"question_count":12,"source_label":"Matematyka · Zbiory zadań (podstawowa)","subject_label":"Matematyka","category_label":"Zbiory zadań"},"questions":[{"id":"site-2640/zad/3082","paper_id":"site-2640","number":"3082","points":null,"ptype":"open","subject":"matematyka","category":"zbiory","year":0,"month":null,"level":"podstawowa","text":"Wskaż liczbę, której 4% jest równe 8.","answer":null,"answer_text":null,"solution":null,"image":"img/site/2640/zad-3082.svg","solution_image":"img/site/2640/rozw-3082.svg","topics":null,"page_from":null,"source":"site","answer_source":null,"answer_text_source":null,"solution_source":null,"text_source":"site","source_label":"Matematyka · Zbiory zadań (podstawowa)","subject_label":"Matematyka","category_label":"Zbiory zadań"},{"id":"site-2640/zad/3083","paper_id":"site-2640","number":"3083","points":null,"ptype":"open","subject":"matematyka","category":"zbiory","year":0,"month":null,"level":"podstawowa","text":"Wskaż liczbę, której 6% jest równe 6.","answer":null,"answer_text":null,"solution":null,"image":"img/site/2640/zad-3083.svg","solution_image":"img/site/2640/rozw-3083.svg","topics":null,"page_from":null,"source":"site","answer_source":null,"answer_text_source":null,"solution_source":null,"text_source":"site","source_label":"Matematyka · Zbiory zadań (podstawowa)","subject_label":"Matematyka","category_label":"Zbiory zadań"},{"id":"site-2640/zad/3084","paper_id":"site-2640","number":"3084","points":null,"ptype":"open","subject":"matematyka","category":"zbiory","year":0,"month":null,"level":"podstawowa","text":"Liczba 30 to p\\% liczby 80, zatem A. p<40 B. p=40 C. p=42,5 D. p>42,5","answer":null,"answer_text":null,"solution":null,"image":"img/site/2640/zad-3084.svg","solution_image":"img/site/2640/rozw-3084.svg","topics":null,"page_from":null,"source":"site","answer_source":null,"answer_text_source":null,"solution_source":null,"text_source":"site","source_label":"Matematyka · Zbiory zadań (podstawowa)","subject_label":"Matematyka","category_label":"Zbiory zadań"},{"id":"site-2640/zad/3085","paper_id":"site-2640","number":"3085","points":null,"ptype":"open","subject":"matematyka","category":"zbiory","year":0,"month":null,"level":"podstawowa","text":"4% liczby x jest równe 6, zatem A. x=150 B. x<150 C. x=240 D. x>240","answer":null,"answer_text":null,"solution":null,"image":"img/site/2640/zad-3085.svg","solution_image":"img/site/2640/rozw-3085.svg","topics":null,"page_from":null,"source":"site","answer_source":null,"answer_text_source":null,"solution_source":null,"text_source":"site","source_label":"Matematyka · Zbiory zadań (podstawowa)","subject_label":"Matematyka","category_label":"Zbiory zadań"},{"id":"site-2640/zad/3086","paper_id":"site-2640","number":"3086","points":null,"ptype":"open","subject":"matematyka","category":"zbiory","year":0,"month":null,"level":"podstawowa","text":"Liczba y to 120% liczby x. Wynika stąd, że A. y=x+0,2 B. y=x+0,2x C. x=y-0,2 D. x=y-0,2","answer":null,"answer_text":null,"solution":null,"image":"img/site/2640/zad-3086.svg","solution_image":"img/site/2640/rozw-3086.svg","topics":null,"page_from":null,"source":"site","answer_source":null,"answer_text_source":null,"solution_source":null,"text_source":"site","source_label":"Matematyka · Zbiory zadań (podstawowa)","subject_label":"Matematyka","category_label":"Zbiory zadań"},{"id":"site-2640/zad/3285","paper_id":"site-2640","number":"3285","points":null,"ptype":"open","subject":"matematyka","category":"zbiory","year":0,"month":null,"level":"podstawowa","text":"W pewnym sklepie ceny wszystkich płyt CD obniżono o 20%. Zatem za dwie płyty kupione w tym sklepie należy zapłacić mniej o A. 10%, B. 20%, C. 30%, D. 40%","answer":null,"answer_text":null,"solution":null,"image":"img/site/2640/zad-3285.svg","solution_image":"img/site/2640/rozw-3285.svg","topics":null,"page_from":null,"source":"site","answer_source":null,"answer_text_source":null,"solution_source":null,"text_source":"site","source_label":"Matematyka · Zbiory zadań (podstawowa)","subject_label":"Matematyka","category_label":"Zbiory zadań"},{"id":"site-2640/zad/4319","paper_id":"site-2640","number":"4319","points":null,"ptype":"open","subject":"matematyka","category":"zbiory","year":0,"month":null,"level":"podstawowa","text":"Cena towaru została podwyższona o 30%, a po pewnym czasie nową, wyższą cenę ponownie podwyższono, tym razem o 10%. W rezultacie obu podwyżek wyjściowa cena towaru zwiększyła się o A. 15%, B. 20%, C. 40%, D. 43%","answer":null,"answer_text":null,"solution":null,"image":"img/site/2640/zad-4319.svg","solution_image":"img/site/2640/rozw-4319.svg","topics":null,"page_from":null,"source":"site","answer_source":null,"answer_text_source":null,"solution_source":null,"text_source":"site","source_label":"Matematyka · Zbiory zadań (podstawowa)","subject_label":"Matematyka","category_label":"Zbiory zadań"},{"id":"site-2640/zad/5304","paper_id":"site-2640","number":"5304","points":null,"ptype":"open","subject":"matematyka","category":"zbiory","year":0,"month":null,"level":"podstawowa","text":"Cenę x pewnego towaru obniżono o 20% i otrzymano cenę y. Aby przywrócić cenę x, nową cenę y należy podnieść o A. 25%; B. 20%; C. 15%; D. 12%.","answer":null,"answer_text":null,"solution":null,"image":"img/site/2640/zad-5304.svg","solution_image":"img/site/2640/rozw-5304.svg","topics":null,"page_from":null,"source":"site","answer_source":null,"answer_text_source":null,"solution_source":null,"text_source":"site","source_label":"Matematyka · Zbiory zadań (podstawowa)","subject_label":"Matematyka","category_label":"Zbiory zadań"},{"id":"site-2640/zad/5466","paper_id":"site-2640","number":"5466","points":null,"ptype":"open","subject":"matematyka","category":"zbiory","year":0,"month":null,"level":"podstawowa","text":"Rozwiązanie zadania. Medyczna maseczka ochronna wielokrotnego użytku z wymiennymi filtrami wskutek podwyżki zdrożała o 40% i kosztuje obecnie 106,40 zł. Cena maseczki przed podwyżką była równa A. 63,84 zł B. 65,40 zł C. 76,00 zł D. 66,40 zł","answer":null,"answer_text":null,"solution":null,"image":"img/site/2640/zad-5466.svg","solution_image":"img/site/2640/rozw-5466.svg","topics":null,"page_from":null,"source":"site","answer_source":null,"answer_text_source":null,"solution_source":null,"text_source":"site","source_label":"Matematyka · Zbiory zadań (podstawowa)","subject_label":"Matematyka","category_label":"Zbiory zadań"},{"id":"site-2640/zad/5766","paper_id":"site-2640","number":"5766","points":null,"ptype":"open","subject":"matematyka","category":"zbiory","year":0,"month":null,"level":"podstawowa","text":"Rozwiązanie zadania. Na początku miesiąca komputer kosztował 3 500 zl. W drugiej dekadzie tego miesiąca cenę komputera obniżono o 10%, a w trzeciej dekadzie cena tego komputera została jeszcze raz obniżona, tym razem o 15%. Innych zmian ceny tego komputera w tym miesiącu już nie było. Cena komputera na koniec miesiąca była równa A. 3 272,50 zl B. 2 625 zl C. 2 677,50 zl D. 2 800 zl.","answer":null,"answer_text":null,"solution":null,"image":"img/site/2640/zad-5766.svg","solution_image":"img/site/2640/rozw-5766.svg","topics":null,"page_from":null,"source":"site","answer_source":null,"answer_text_source":null,"solution_source":null,"text_source":"site","source_label":"Matematyka · Zbiory zadań (podstawowa)","subject_label":"Matematyka","category_label":"Zbiory zadań"},{"id":"site-2640/zad/6701","paper_id":"site-2640","number":"6701","points":null,"ptype":"open","subject":"matematyka","category":"zbiory","year":0,"month":null,"level":"podstawowa","text":"Pensja pana X jest o 50% wyższa od średniej krajowej, a pensja pana Y jest o 40% niższa od średniej krajowej. Dokończ zdania. Zaznacz odpowiedź spośród A-D oraz odpowiedź spośród E-H. 1. Pensja pana X jest wyższa od pensji pana Y A. o 40% pensji pana Y. B. o 90% pensji pana Y. C. o 150% pensji pana Y. D. o 275% pensji pana Y. 2. Pensja pana Y jest niższa od pensji pana X E. o 60% pensji pana X. F. o 73% pensji pana X. G. o 90% pensji pana X. H. o 150% pensji pana X.","answer":null,"answer_text":null,"solution":null,"image":"img/site/2640/zad-6701.svg","solution_image":"img/site/2640/rozw-6701.svg","topics":null,"page_from":null,"source":"site","answer_source":null,"answer_text_source":null,"solution_source":null,"text_source":"site","source_label":"Matematyka · Zbiory zadań (podstawowa)","subject_label":"Matematyka","category_label":"Zbiory zadań"},{"id":"site-2640/zad/7243","paper_id":"site-2640","number":"7243","points":null,"ptype":"open","subject":"matematyka","category":"zbiory","year":0,"month":null,"level":"podstawowa","text":"W klasie jest cztery razy więcej chłopców niż dziewcząt. Ile procent wszystkich uczniów tej klasy stanowią dziewczęta? A. 4% B. 5% & C. 20% D. 25%","answer":null,"answer_text":null,"solution":null,"image":"img/site/2640/zad-7243.svg","solution_image":"img/site/2640/rozw-7243.svg","topics":null,"page_from":null,"source":"site","answer_source":null,"answer_text_source":null,"solution_source":null,"text_source":"site","source_label":"Matematyka · Zbiory zadań (podstawowa)","subject_label":"Matematyka","category_label":"Zbiory zadań"}]}