Fast review mode: answers are shown by default so you can skim quickly. Hide them if you want to self-test.
At the start of a two-week hiking trip, eight girls— Fozia, Tina, Juwaria, Kiren, Milaka, Samina, Tamina, and Raheela—will divide into a. Lake Group and a Mountain Group of four members each. After following different trails for one week, the groups will meet and the girls will again divide into a Lake Group and a Mountain Group of four members each, which will again follow different trails for a week. The groups must be formed with the following restrictions: For the first week, Tamina cannot be in the same group as Raheela. For the second week.' both Tamina and Raheela must be in the Lake Group. For each of the two weeks, if Fozia is in the Mountain Group, Kiren must also be in the Mountain Group. For each of the two weeks, Juwaria must be in the same group as Milaka.
Join 4M+ learners. Unlock unlimited quizzes, wrong-answer tracking, flashcards + reminders, study guides, and 1-on-1 challenges.