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From the letters of the word PLANETS, Gauri picks 2 vowels and 2 consonants (just a group of letters, no order). How many groups can she pick?

Competition practicePermutations & Combinations
  • A20
  • B35
  • C240
  • D10

Step-by-Step Solution

PLANETS has vowels A, E and consonants P, L, N, T, S. . (240 also arranges the 4 letters.)
Answer: D) 10

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