Question

Find the odd number out from the given
alternatives.
●121
●49
●81
●169​

Answer 1

Answer:

121

Step-by-step explanation:

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Answer 2

Answer:

121 = 11^2

49 = 7^2

81 = 9^2

169 = 13^2

in these 9 is not a prime no.

thus 81 is the odd one.

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