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TIMO 2021 Grade 6 Preliminary Set 4 Question 1

TIMO · TIMO 2021 Grade 6 Preliminary Set 4

Question 1

Given A and D are two non-zero digits. The reversed two-digit number DA equals 2 times (AD−2). AD is a square number. Find the two-digit number AD.

Question illustration
  1. 49
  2. 16
  3. 25
  4. 64