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Q.
What is the right most integer of the expression 65776759 + 54697467 ?
A.
4
B.
6
C.
9
D.
0
View Answer
Correct choice: C
Explanation:
Last digit for the power of 6 is 6 (always) Power cycle of 7 is 7, 9, 3, 1. Now 467/4 gives a remainder of 3 Then the last digit is 73 = 3 Last digit is 6 + 3 = 9.
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