Question

Which of the following have one in its units place?
(1) 126²
(ii) 179²
(iii) 281²
(iv) 3632²​

Answer 1

Step-by-step explanation:

126²

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Answer 2

Step-by-step explanation:

only the second and third one

the trick is check the square of number at unit's place

so in first one 6 square is 36 which won't give 1

similarly in second one 9 square 81 which has one on unit's place

like this u can solve easily

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