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What is the unit digit in the product$(3547)^{153} \times(251)^{72} ?$

Option: 1

1


Option: 2

3


Option: 3

7


Option: 4

 None of these


Answers (1)

best_answer

3547153*25172

⇒ 7153*172

⇒ 7*1

Option C

Posted by

Ritika Jonwal

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