alleryMatch each AP sequence with its common difference d:
A1-A, 2-B, 3-C
B1-B, 2-A, 3-C
C1-C, 2-B, 3-A
D1-A, 2-C, 3-B
Answer & Solution
Correct answer: A. 1-A, 2-B, 3-C
3,7,11 gives d=4. 100,70,40 gives d=-30. -5,-2,1 gives d=3.
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