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IMSO 2025 Mathematics – International Essay Question 1

IMSO Maths · IMSO 2025 Mathematics – International Essay

Question 1

A four-digit number has the following properties:

(a) It is a perfect square.

(b) The first two digits are the same.

(c) The last two digits are the same.

List down all possible four-digit number(s) that satisfy the conditions.