Sultan Qaboos University Foundation & Aptitude Test · Mathematics Reasoning

Sequences

10 practice questions, each with the answer and an explanation.

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Random questions from this topic, one at a time. You see the answer and the explanation straight after each one.

All 10 questions

  1. An arithmetic sequence has first term 1 and common difference 3. Find the sum of the first 17 terms.
  2. An arithmetic sequence has first term 2 and common difference 3. Find the sum of the first 25 terms.
  3. An arithmetic sequence has first term 7 and common difference 3. Find the sum of the first 23 terms.
  4. An arithmetic sequence has first term 2 and common difference 4. Find the sum of the first 15 terms.
  5. In an arithmetic sequence the first term is 3 and the 14th term is 55. Find the common difference.
  6. In an arithmetic sequence the first term is 6 and the 16th term is 81. Find the common difference.
  7. A geometric sequence has first term 1 and common ratio 3. Find the sum of the first 5 terms.
  8. In an arithmetic sequence the first term is 5 and the 12th term is 27. Find the common difference.
  9. In an arithmetic sequence the first term is 3 and the 15th term is 31. Find the common difference.
  10. A geometric sequence has first term 3 and common ratio 3. Find the sum of the first 7 terms.

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