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IKMC 2021 - Grades 9-10 - Self-study Question 27

IKMC · IKMC 2021 - Grades 9-10 - Self-study

Question 27

Some cells in the 4 × 4 table must be painted black. The numbers beside each row and below each column specify its black-cell count. In how many ways can the table be painted?

Question illustration
  1. 1
  2. 2
  3. 3
  4. 5
  5. More than 5