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Ramen lives with her family. She decided to host a dinner at her house and invited 3n+1 friends, where n is a positive integer. Exactly two of the friends did not turn up. The lowest common multiple of the number of people in the family and the number of friends invited was 42. What is the value of n?
A. 2
B. 3
C. 4
D. 5
E. Cannot be Determined
The OA is A
Source: e-GMAT
A. 2
B. 3
C. 4
D. 5
E. Cannot be Determined
The OA is A
Source: e-GMAT
