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The rank of a zero matrix is

This question was previously asked in
TNUSRB SI 2020 Official Paper (Held on 12 January 2020)
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  1. 0
  2. 1
  3. -1
  4. ∞ 

Answer (Detailed Solution Below)

Option 1 : 0
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Detailed Solution

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The correct option is 0.
Explanation:
The rank of a matrix is defined as the maximum number of linearly independent rows (or columns) in the matrix.
A zero matrix, which consists entirely of zeroes, has no linearly independent rows (or columns), so its rank is 0.
A zero matrix is a special kind of matrix where every element is zero. Because of this, there are no unique or linearly independent rows or columns.
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