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SEAMO 2018 — Paper D — Grade 7–8 Question 14

SEAMO · SEAMO 2018 — Paper D — Grade 7–8

Question 14

How many odd digits are in $1111111111\times9999999999$?
  1. $10$
  2. $11$
  3. $8$
  4. $9$
  5. None of the above