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Subjects
Class 10MathematicsArithmetic Progressions (AP)Finding the $n$th term of an APEasyLevel 64
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A plant is (12) cm tall in the first week and grows by (4) cm each week. What will be its height in the (9)th week?

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Answer and explanation

Correct answer: (44) cm

Here (a=12), (d=4), so (a_9=12+8\times4=44). In time-based questions, the first week is the first term.

Related tags

Ap Word ProblemGrowthNth Term

Frequently asked questions

What is the correct answer to this question?

(44) cm

Why is this the correct answer?

Here (a=12), (d=4), so (a_9=12+8\times4=44). In time-based questions, the first week is the first term.

Which subject and chapter does this question cover?

This is a Class 10 Mathematics question. Chapter: Arithmetic Progressions (AP). Topic: Finding the $n$th term of an AP.

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10 more MCQs
  1. 1What is the fourth term in (14,18,22,26,\ldots)?
  2. 2What will be the fifth term in (2,7,12,17,\ldots)?
  3. 3What is the fourth term in the sequence (6,12,18,24,\ldots)?
  4. 4What is the third term in the sequence (9,7,5,3,\ldots)?
  5. 5A plant grows (2) cm every day. The heights are (12,14,16,18,\ldots). What is the height on the fourth day?
  6. 6In an AP, first term (a=4) and common difference (d=3). What is the (10)th term?
  7. 7Find the (12)th term of the AP (7,11,15,19,\ldots).
  8. 8What is the (9)th term of the AP (20,17,14,11,\ldots)?
  9. 9If (a=2), (d=5), what will be the (15)th term of the AP?
  10. 10Which is the (20)th term of the AP (3,8,13,18,\ldots)?
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