Here is a strategy that works.<\/p>\n

Pick a marble from the bag labeled ASSORTED. Without loss of generality, suppose this marble is red. Since all bags are incorrectly labeled, this bag cannot contain assorted marbles, and is therefore the red marble bag.\n<\/li>

Pick a marble from the bag with the same label as the marble color we found in the previous step. In this case, the bag labeled RED. This bag can contain a red, blue, or green marble.\n
- If we find a green marble in the RED bag, then this bag must contain green or assorted. Similarly to the previous case, the blue marbles must be in the GREEN bag. Therefore, we can safely buy the bags labeled ASSORTED and GREEN.\n<\/li><\/ul>\n<\/li><\/ol><\/div>\n<\/body>","protected":false},"excerpt":{"rendered":"
  This week\u2019s Riddler classic is a logic problem. There are four enormous bags of marbles. They are labeled RED, GREEN, BLUE, and ASSORTED. You want to buy two bags of marbles that are not assorted, and you\u2019d settle for some combination of red, green or blue. However, someone switched around the labels on all four … Continue reading “Can you keep your marbles?”<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"_uf_show_specific_survey":0,"_uf_disable_surveys":false,"footnotes":""},"categories":[7],"tags":[23,2],"class_list":["post-3413","post","type-post","status-publish","format-standard","hentry","category-riddler","tag-logic","tag-riddler"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t