Find the Square of the Number that Ends with the Digit 5

  • Let’s take the number 65 and try to find its square.
  •  Start by writing the square of last digit ie 25 ( square of 5 is 25)
  • Now, the first digit in 65 is 6. The number that follows 6 is 7.
  • Multiply 6 and 7,we get 42 
  • Write 42 first and later 25,So answer will be 4225 

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