Comprehension

Consider the following for the two (02) items that follow:
A committee of 6 members is formed from a group of 7 gentlemen and 4 ladies.

What is the probability that the committee includes at least 2 ladies?

This question was previously asked in
NDA-I (Mathematics) Official Paper (Held On: 13 Apr, 2025)
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  1. 41/66
  2. 47/66
  3. 49/66
  4. 53/66

Answer (Detailed Solution Below)

Option 4 : 53/66
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Detailed Solution

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Calculation:

Given,

A committee of 6 members is formed from a group of 7 gentlemen and 4 ladies.

The total number of ways to form the committee is:

The favorable outcomes (at least 2 ladies) are calculated by the sum of the cases:

This simplifies to:

The total favorable outcomes are:

The probability is:

Hence, the correct answer is Option 4. 

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