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In the sequence (4,9,14,\Box,24,\ldots), what is the value of (\Box)?

Answer and explanation

Correct answer: 19

This is an arithmetic progression because the difference between consecutive terms is constant: \(9-4=5\) and \(14-9=5\). Hence, with common difference \(5\), the missing term is \(14+5=19\). The values 18 and 20 do not maintain the same common difference. Exam tip: first check the difference between consecutive known terms.

Related tags

Arithmetic-ProgressionCommon-DifferenceMissing-TermClass-10Introduction To Aps And Common Difference.Introduction To Aps And Common DifferenceArithmetic Progressions (Ap)Arithmetic Progressions Ap

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