AMC 8 Practice Test
AMC 8 AMC8 Test 1
How many subgroups of two elements may be eliminated from the set 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11 so that the remaining numbers have a mean (average) of 6?
Select your answer
A
1
B
2
C
3
D
4
E
5
Need a hint?