Aptitude Discussion

Q. |
Abhishek has 9 pairs of dark blue socks and 9 pairs of black socks. He keeps them all in the same bag. If he picks out three socks at random, then what is the probability that he will get a matching pair? |

✔ A. |
$1$ |

✖ B. |
$\dfrac{2\times ^9C_2\times ^9C_1}{{18}^C_3}$ |

✖ C. |
$\dfrac{ ^9C_3\times ^9C_1}{{18}^C_3}$ |

✖ D. |
None of these |

**Solution:**

Option(**A**) is correct

If he draws any combination of 3 socks he will definitely have the matching pair of either colour.

**Prashanth Reddy**

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Won't there any question of only left and right forming a pair of socks?