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SEAMO 2021 — Paper D — Grade 7–8 Question 16

SEAMO · SEAMO 2021 — Paper D — Grade 7–8

Question 16

Count nonnegative integer quadruples satisfying $a+b+c+d\le12$.
  1. $1772$
  2. $1800$
  3. $1820$
  4. $1825$
  5. None of the above