Question

what will be the unit digit of the square of the following number 951​

Answer 1

Answer:

1

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Answer 2

Answer:

951 - Since the given digit has its unit’s digit as 1, its square will end with the unit digit of the multiplication (1 × 1 = 1) i.e. 1

(2) 125 - Since the given digit has its unit’s digit as 5, its square will end with the unit digit of the multiplication (5 × 5 = 25) i.e. 5

(3) 116 - Since the given digit has its unit’s digit as 6, its square will end with the unit digit of the multiplication (6 × 6 = 36) i.e. 6