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Match each Arithmetic Progression (AP) formula with its quantity:

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
an = a+(n-1)d. Sn = n/2[2a+(n-1)d] = n/2(a+l). d is difference between consecutive terms.
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