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Reena wrote the sequence 3, 6, 9, 12, ... and stated that 15 is its sixth term. Which option about her statement is correct?

Answer and explanation

Correct answer: The statement is incorrect; 15 is the fifth term.

Count the terms in order: 3 is first, 6 second, 9 third, 12 fourth, and 15 fifth. Hence Reena has stated the position incorrectly. Exam tip: always begin numbering from the first listed term.

Related tags

SequencesTerm PositionNumber PatternsArithmetic SequenceClass 9 MathematicsSequences And ProgressionsMathematicsClass 9 Mcq

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