English

Which term of the A.P. $$11, 8, 5, 2, ......$$ is $$–148$$?

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Question

Which term of the A.P. $$11, 8, 5, 2, ......$$ is $$-148$$?

Options

  • 52th

  • 54th

  • 55th

  • 57th

MCQ
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Solution

54th

Explanation:

Since $$d = -3$$, $$11 - 3(n - 1) = -148$$, giving $$n = 54$$.

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Chapter 10: Arithmetic Progression - COMPETENCY-FOCUSED QUESTIONS [Page 169]

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R.S. Aggarwal Mathematics [English] Class 10 ICSE
Chapter 10 Arithmetic Progression
COMPETENCY-FOCUSED QUESTIONS | Q 11. | Page 169
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