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Pooja has 3 different hair bands and 4 different hair clips. She wears just one item in her hair today: a band or a clip. How many choices does she have?

Competition practicePermutations & Combinations
  • A12
  • B3
  • C4
  • D7

Step-by-Step Solution

Only one item is worn, so the choices add: . (12 would be one band AND one clip.)
Answer: D) 7

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