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If the second term of an arithmetic progression is (18) and the first term is (11), what will (d) be?

Answer and explanation

Correct answer: 7

In an arithmetic progression, the common difference is d = a₂ − a₁. Here, a₁ = 11 and a₂ = 18, so d = 18 − 11 = 7. Therefore, the correct answer is 7. The value 6 is incorrect because it is not the difference between 11 and 18. Exam tip: To find the common difference, subtract an earlier term from the next term.

Related tags

Arithmetic ProgressionCommon DifferenceFirst TermSecond TermClass 10 MathematicsIntroduction To Aps And Common Difference.Introduction To Aps And Common DifferenceArithmetic Progressions (Ap)

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