Q78 / 180 · KCET 2015 · Mathematics

If two dice are thrown simultaneously, then the probability that the sum of the numbers which
come up on the dice to be more than \( 5 \) is

  • A
    \( \frac{5}{36} \)
  • B
    \( \frac{1}{6} \)
  • C
    \( \frac{5}{18} \)
  • Correct answer
    D
    \( \frac{13}{18} \)

Solution

Total number of outcomes is $6 \times 6=6$ Favourable outcomes is $(1,5),(1,6),(2,4),(2,5),(2,6),(3,3),(3,4),(3,5),(3,6),(4,2),(4,3),(4,4),(4,5),(4,6),(5,$, $1),(5,2),(5,3),(5,4),(5,5),(5,6),(6,1),(6,2),(6,3),(6,4),(6,5),(6,6)$, that is 26 . Therefore, required probability is $P=\frac{26}{36}=\frac{13}{18}$

Hence, the correct answer is option: 'D'.

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