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Subjects
Class 10MathematicsArithmetic Progressions (AP)Finding the $n$th term of an APEasyLevel 64
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Which is the (18)th term of the AP (-10,-6,-2,2,\ldots)?

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Answer and explanation

Correct answer: (58)

Here (a=-10), (d=4), so (a_{18}=-10+17\times4=58). The formula remains the same even when terms move from negative to positive.

Related tags

ApNth TermNegative First Term

Frequently asked questions

What is the correct answer to this question?

(58)

Why is this the correct answer?

Here (a=-10), (d=4), so (a_{18}=-10+17\times4=58). The formula remains the same even when terms move from negative to positive.

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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