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SEAMO 2022 — Paper D — Grade 7–8 Question 10

SEAMO · SEAMO 2022 — Paper D — Grade 7–8

Question 10

Positive integers x,y are less than ten and satisfy $2^x9^y=\overline{2x9y}$. Find x+y.
  1. $6$
  2. $7$
  3. $8$
  4. $9$
  5. $10$