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Class 9MathematicsSequences and Progressionsnth termEasyLevel 59
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What will be the fifth term of the sequence (16,32,48,64,\ldots)?

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Answer and explanation

Correct answer: 80

This is an arithmetic sequence with first term 16 and common difference 16. The term after 64 is 64 + 16 = 80, so the fifth term is 80. The number 96 is the next, or sixth, term. Exam tip: identify the constant difference between consecutive terms to find the next term.

Related tags

Arithmetic SequenceSequence TermsNth TermCommon DifferenceClass 9 Mathematics

Frequently asked questions

What is the correct answer to this question?

80

Why is this the correct answer?

This is an arithmetic sequence with first term 16 and common difference 16. The term after 64 is 64 + 16 = 80, so the fifth term is 80. The number 96 is the next, or sixth, term. Exam tip: identify the constant difference between consecutive terms to find the next term.

Which subject and chapter does this question cover?

This is a Class 9 Mathematics question. Chapter: Sequences and Progressions. Topic: nth term.

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10 more MCQs
  1. 1In the sequence (1,4,9,16,...), what is the difference between the 15th term and the 14th term?
  2. 2What is the 25th term of the sequence (-5,-1,3,7,...)?
  3. 3If aₙ = n³ − n, what will be the value of a₇ − a₅?
  4. 4What will be the 12th term in the sequence (3, 5, 9, 15, 23, ...)?
  5. 5If a_n = n(n + 2), what will be the value of a_11 − a_8?
  6. 6If a_n = n^2 + 5n - 2, which term is equal to 148?
  7. 7The sequence (3, 8, 15, 24, …) has general term a_n = n² + 2n. Which term is 168?
  8. 8If a_n = n³ + n², what will be the value of a_6 − a_4?
  9. 9If a_n = 4n² − 1, which term is 575?
  10. 10In the sequence (1, 4, 9, 16, …), what will be the value of a_11 + a_12?
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