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Difficulty: 3 of 5 Latest: Digit Replacement and Square Settlement III Rating: 5.00
Consider a perfect square having 3 as the first digit (reading left to right).

Determine the minimum value of N such that N remains a perfect square when the first digit is changed to 5.

(No Solution Yet, 2 Comments) Submitted on 2025-03-31 by K Sengupta   
Page 22 of 171   << prev next >>    
Difficulty: 3 of 5Both Squares |
Posted on 2023-11-07 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Numbers in pi 2 | Rating: 5.00
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Difficulty: 3 of 5Eighth Powers | Rating: 5.00
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Difficulty: 3 of 5N^2 and N^3 | Rating: 5.00
Posted on 2023-11-03 by Larry (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Some Even and Odd Crossed Difference | Rating: 5.00
Posted on 2023-11-03 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 5Eight Pandigital Primes | Rating: 5.00
Posted on 2023-11-02 by K Sengupta (Solution Posted, 5 Comments)
Difficulty: 3 of 5One-tenth Power Problem | Rating: 5.00
Posted on 2023-11-02 by K Sengupta (Solution Posted, 3 Comments)
Difficulty: 3 of 596 Tees |
Posted on 2023-11-01 by Larry (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Reversible P and P^2 | Rating: 5.00
Posted on 2023-10-31 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5Count the acceptable permutations |
Posted on 2023-10-30 by Ady TZIDON (Solution Posted, 4 Comments)
Difficulty: 3 of 5Consider prime numbers, get cube 2 |
Posted on 2023-10-30 by broll (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Three Pandigital Cube |
Posted on 2023-10-29 by K Sengupta (No Solution Yet, 4 Comments)
Difficulty: 3 of 5123456 Triangle |
Posted on 2023-10-28 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Big Palindrome |
Posted on 2023-10-28 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Sum of the Digits 2 | Rating: 5.00
Posted on 2023-10-27 by K Sengupta (Solution Posted, 4 Comments)
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