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What is the first term in the arithmetic progression (9,14,19,24,...)?

Answer and explanation

Correct answer: (9)

The governing concept is the identification of the first term of an arithmetic progression. In a written progression, the first term is the number that appears at the far left, usually denoted by a. Here the sequence begins with 9, so a = 9 and option B is correct. The common difference is 14 − 9 = 5, but that value is not the first term; it is the amount added to move from one term to the next. Option C is the second term, option D is the third term, and option A is the common difference. Reading the position of each displayed number carefully prevents confusing the first term with the difference.

Related tags

SequencesArithmetic ProgressionFirst TermClass 9Sequences And ProgressionsMathematicsClass 9 Mcq

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