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Quadratic Sequence Series Questions for AGNIVEER VAYU

Free, AI-curated practice for the Quadratic Sequence Series section of AGNIVEER VAYU. We have 14+ verified questions in this bank. Below: 5 sample questions. Sign up free to unlock unlimited practice + AI explanations + per-topic analytics.

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Sample questions

Q1 · medium · AI-verified
For the quadratic sequence 2, 6, 12, 20, 30, … the sum of the first 5 terms is:
  1. 60
  2. 70
  3. 80
  4. 65
Q2 · easy · AI-verified
The second differences of a quadratic sequence are constant and equal to 4. The first two terms are 3 and 8. What is the 3rd term?
  1. 17
  2. 15
  3. 19
  4. 13
Q3 · medium · AI-verified
The first three terms of a quadratic sequence are 5, 11, 19. What is the nth term formula?
  1. Tₙ = n² + 2n + 2
  2. Tₙ = n² + 3n + 1
  3. Tₙ = n² + 4n
  4. Tₙ = 2n² + n + 2
Q4 · easy · AI-verified
The nth term of a quadratic sequence is given by Tn = n² + 2n. What is the 5th term?
  1. 30
  2. 35
  3. 40
  4. 25
Q5 · medium · AI-verified
In the quadratic sequence 1, 4, 9, 16, 25, … (perfect squares), what is T₁₀ + T₁₂?
  1. 248
  2. 240
  3. 244
  4. 256
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