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If the first term of an arithmetic progression is (a=12) and the common difference is (d=5), what are the first four terms?

Answer and explanation

Correct answer: (12,17,22,27)

In an arithmetic progression, each term is obtained by adding the common difference to the preceding term. Starting with 12 and adding 5 repeatedly gives 12, 12+5=17, 17+5=22, and 22+5=27. Therefore, (12,17,22,27) is correct. In option C, the common difference is 6, not 5. Exam tip: check the difference between consecutive terms before selecting an option.

Related tags

Arithmetic ProgressionCommon DifferenceFirst TermsClass 10 MathematicsAp BasicsIntroduction To Aps And Common Difference.Introduction To Aps And Common DifferenceArithmetic Progressions (Ap)

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