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What is the next term of (2,4,7,11,16,\ldots)?

Answer and explanation

Correct answer: 22

The differences between consecutive terms are 2, 3, 4, and 5. Since each difference increases by 1, the next difference is 6. Therefore, the next term is \(16+6=22\). Choosing 21 would give a difference of only 5, whereas the differences should follow 2, 3, 4, 5, 6. Exam tip: For such sequences, first write the consecutive differences and identify their pattern.

Related tags

SequencesProgressionsNext TermConsecutive DifferencesNumber PatternsSequences And ProgressionsMathematicsClass 9 Mcq

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