MBA Exam

Find the units digit of the LCM of (72001 – 1) and (72001 + 1).

1) 4
2) 6
3) 8
4) 0
5) 9

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MBA Other Question
If

1) -50
2) 133
3) 123
4) 122
5) 120
 Ifa +4b + 9c + 16d + 25e + 36f + 49g = -1;4a + 9b + 16c + 25d + 36e + 49f + 64g = -2;9a + 16b + 25c + 36d + 49e + 64f + 81g = 3.Then 16a + 25b + 36c + 49d + 64e + 81f + 100g is

1) 14
2) 6
3) 10
4) None of these