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Is the sequence (6, 12, 18, 24, ...) an arithmetic progression?

Answer and explanation

Correct answer: हाँ, सार्व अंतर 6 है

The defining concept of an arithmetic progression is that the difference between every pair of consecutive terms must be constant. Calculate the differences: 12 − 6 = 6, 18 − 12 = 6, and 24 − 18 = 6. Since all these consecutive differences are equal, the sequence is an arithmetic progression with common difference 6. Therefore option A is correct. Option B confuses the second term, 12, with the common difference. Option C is false because the calculated differences are equal. Option D is also false because the terms increase rather than decrease. An arithmetic progression can have a positive, negative, or zero common difference; this particular sequence has the positive difference 6.

Related tags

SequencesArithmetic-ProgressionCommon-DifferenceClassificationArithmetic ProgressionSequences And ProgressionsMathematicsClass 9 Mcq

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