PRC-2 · Chapter 3 · Question 11 of 45
If the sum of three consecutive terms in an Arithmetic Progression totals 54, what is the exact value of the middle term?
Test yourself: pick an answer
Reveal answer & explanation
Correct answer: B) 18
Explanation
Let the three terms be represented as (a - d), a, and (a + d). Their total sum is (a - d) + a + (a + d) = 3a = 54. Therefore, the middle term 'a' must be 54 / 3 = 18.
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