1. Tardigrade
  2. Question
  3. Mathematics
  4. Suppose that each entry of 2015 × 2015 matrix M is a real number of magnitude not exceeding 1 . if the sum of entries in every 2 × 2 matrix in M is zero. Then sum of all entries of M cannot exceed

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Q. Suppose that each entry of $2015 \times 2015$ matrix $M$ is a real number of magnitude not exceeding 1 . if the sum of entries in every $2 \times 2$ matrix in $M$ is zero. Then sum of all entries of $M$ cannot exceed

Matrices

Solution:

Correct answer is (c) 2015