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Three boys, P, Q, R an three girls S, T, U are to be arranged in a row for a group photograph. What is the probability that P and Q take the two end positions?

Options

  1. A1 15
  2. B7 15
  3. C14 15
  4. D11 45

Correct answer

A. 1 15

Step-by-step solution

Required probability = 4! 2 6! = 1 15

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