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2 November, 10:29

Which one of the numbers 25, 16, 49, 63, 81 is not like the others

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Answers (2)
  1. 2 November, 11:50
    0
    63

    Step-by-step explanation:

    The other numbers are squares.

    5 x 5 = 25

    4 x 4 = 16

    7 x 7 = 49

    9 x 9 = 81

    A square number or perfect square is an integer that is the square of an integer; in other words, it is the product of some integer with itself.
  2. 2 November, 13:20
    0
    Answer: 63

    Step-by-step explanation: Unlike the others the square root of 63 is not a whole number. 25 is 5, 16 is 4, 49 is 7, and 81 is 9.
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