[{"question":"Vypo\u010d\u00edtaj aritmetick\u00fd priemer z \u010d\u00edsel 65, 60, 62, 68, 72, 74, 78, 80","answers":["67,58","68,75","68,57","65,78"],"correct":"68,75","order":"1"},{"question":"Vypo\u010d\u00edtaj aritmetick\u00fd priemer z \u010d\u00edsel 2,8; 3; 3,2; 3,4; 3,6; 3,8.","answers":["2,10","3,2","3,3","3,5"],"correct":"3,3","order":"2"},{"question":"Vypo\u010d\u00edtaj priemern\u00fa denn\u00fa teplotu po\u010das jedn\u00e9ho t\u00fd\u017ed\u0148a, v ktorom boli nameran\u00e9 teploty: 22,2; 20,5; 21,9; 23,8; 22,9; 21,7; 21,0.","answers":["22","22,1","22,3","21,2"],"correct":"22","order":"3"},{"question":"Podnikate\u013e mal pr\u00edjmy v jednotliv\u00fdch d\u0148och: 210 eur, 120 eur, 200 eur, 165 eur, 184 eur. Zisti priemern\u00fd pr\u00edjem za t\u00fd\u017ede\u0148.","answers":["176,5","175,6","157,6","156,7"],"correct":"175,6","order":"4"},{"question":"Platy \u0161tyroch priate\u013eov s\u00fa: 518 eur, 540 eur, 567 eur, 587 eur. Ak\u00fd je ich priemern\u00fd plat?","answers":["535","555","533,5","553"],"correct":"553","order":"5"},{"question":"V\u00a0obchode pred\u00e1vali tri druhy jab\u013ak. Prv\u00fd st\u00e1l 0,81 eur za 1 kg, druh\u00fd 1,06 eur za 1 kg a\u00a0tret\u00ed druh 1,18 eur za 1 kg. Ak\u00e1 bola priemern\u00e1 cena jab\u013ak?","answers":["3,05","1,106","1,016","1,61"],"correct":"1,016","order":"6"},{"question":"Ka\u017ed\u00fd rok pri love uviazne v sie\u0165ach 27 000 000 ton nepou\u017eite\u013en\u00fdch r\u00fdb, ktor\u00e9 sa obvykle h\u00e1d\u017eu cez palubu ako odpad. Ko\u013eko ton r\u00fdb je to priemerne denne (zaokr\u00fahli na tis\u00edcky ton)?","answers":["73972,602","73972,062","73972,026","79372,602"],"correct":"73972,602","order":"7"},{"question":"V\u00a0sade oberalo 5 dn\u00ed 10 brig\u00e1dnikov broskyne. Denne obrali 156,5 kg, 171,8 kg, 179,3 kg, 165,5 kg a\u00a0161,4 kg brosk\u00fd\u0148. Ko\u013eko kg brosk\u00fd\u0148 obral v priemere 1 brig\u00e1dnik za 1 de\u0148?","answers":["834,5","83,45","16,69","166,9"],"correct":"16,69","order":"8"},{"question":"9 ro\u017ekov stoj\u00ed 0,81 eur. Zisti ko\u013eko stoj\u00ed 20 ro\u017ekov.","answers":["0,09","1,8","16,2","0,9"],"correct":"1,8","order":"9"},{"question":"Dem\u00e4novsk\u00e9 jaskyne dosahuj\u00fa d\u013a\u017eku 20,97 km rozklad\u00e1 sa na 9 poschodiach. Zisti priemern\u00fa d\u013a\u017eku jedn\u00e9ho poschodia.","answers":["3,32","3,23","2,3","2,33"],"correct":"2,33","order":"10"}]