If 5 red roses and 5 white roses of different sizes are used in preparing a garland, the probability that…

If 5 red roses and 5 white roses of different sizes are used in preparing a garland, the probability that red and white roses come alternately is
  1. $\frac{1}{252}$
  2. $\frac{1}{126}$
  3. $\frac{1}{63}$
  4. $\frac{5}{126}$

Solution

No solution. Refer to answer key.

Asked in: AP EAMCET 2017 (24 Apr Shift 2)

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