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What will be the next term of the arithmetic progression (11,18,25,32,\ldots)?

Answer and explanation

Correct answer: (39)

The answer is option B, 39. An arithmetic progression changes by the same common difference each time. Subtract consecutive terms: \(18-11=7\), \(25-18=7\), and \(32-25=7\). Therefore add 7 to the last term: \(32+7=39\). Option A, 37, adds only 5 to 32, so it does not continue the pattern. Option B, 39, adds the correct common difference of 7 and is correct. Option C, 41, adds 9, which is not the established difference. Option D, 43, adds 11 and is also inconsistent. The important step is to find the common difference before guessing the next term. A sequence is not continued by choosing a nearby number; its stated pattern must be preserved. Memory cue: in an AP, keep adding or subtracting the same number.

Related tags

SequencesProgressionsArithmetic-ProgressionClass-9Easy

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