Twelve tickets are numbered $1$ to $12$. One ticket is drawn at random, then the probability of the number to be divisible by $2$ or $3$, is

  • A

    $\frac{2}{3}$

  • B

    $\frac{7}{{12}}$

  • C

    $\frac{5}{6}$

  • D

    $\frac{3}{4}$

Similar Questions

Fill in the blanks in following table :

$P(A)$ $P(B)$ $P(A \cap B)$ $P (A \cup B)$
$\frac {1}{3}$ $\frac {1}{5}$ $\frac {1}{15}$  ........

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Let $A$ and $B$ be two events such that $P\,(A) = 0.3$ and $P\,(A \cup B) = 0.8$. If $A$ and $B$ are independent events, then $P(B) = $

  • [IIT 1990]

Three ships $A, B$ and $C$ sail from England to India. If the ratio of their arriving safely are $2 : 5, 3 : 7$ and $6 : 11$ respectively then the probability of all the ships for arriving safely is