A) 4
B) 120
C) 121
D) 130
Correct Answer: C
Solution :
Since, \[123=-1(\bmod \,\,124)\] \[125=1(\bmod \,\,124)\] \[127=3\text{(}\bmod \,\,124)\] \[\therefore \]\[123\times 125\times 127=(-1)(1)(3)\bmod (124)\] \[=-3\bmod (124)\] \[=-121\bmod (125)\]You need to login to perform this action.
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