Quantitative Reasoning Sequences and Series Online Test MCQs

Photo of Mustansar Khan Mustansar KhanLast Updated: July 16, 2025

Quantitative Reasoning Aptitude Test

Quantitative Reasoning tests are designed to assess a candidate’s numerical problem-solving skills, logic, and analytical thinking. Among the key areas, Sequences and Series form a crucial part of the syllabus in most aptitude and entrance exams, such as ETEA, NTS, ECAT, and university admissions tests.

Sequences and Series Test Online

Total Questions: 50
Time Allowed: 25 Minutes
Total Marks: 50
How to Attempt Test: Please choose the right Option in MCQ-type question.
Test Helpful For: Aptitude Test
Quantitative Reasoning
Decimal Fraction Test
Mathematics Aptitude Questions
Entrance Tests and Recruitment Test

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1. What is the common difference in the arithmetic sequence: 12, 17, 22, 27...?

2. What is the 6th term in the arithmetic sequence: 3, 7, 11, 15, ... ?

3. If Tn = 6n – 5, find T3

4. What is the next number in the series: 81, 27, 9, 3, ?

5. What is the next term in the sequence: 1, 4, 9, 16, 25, ?

6. Which term of the sequence 5, 10, 15, 20, ... is 100?

7. Find the sum of first 4 terms of the geometric sequence: 1, 2, 4, 8

8. What is the 7th term of the sequence where a = 4 and r = 2?

9. Sum of first 5 odd numbers is:

10. What is the common ratio of the sequence: 1, 3, 9, 27?

11. If the sum of the first 4 terms of a geometric sequence is 30 and the terms are: 2, 4, 8, x. Find x.

12. In an arithmetic sequence if a = 2, d = 5, find T10

13. Which formula represents a geometric sequence?

14. In which sequence is the sum of the first n terms equal to n²?

15. Which of the following is not an arithmetic sequence?

16. If Tn = 4n – 1, find T6

17. What is the 5th term of the geometric sequence: 1, 3, 9, 27...?

18. The 5th term of an arithmetic sequence is 20 and the common difference is 3. What is the first term?

19. Find the 8th term of the sequence: 7, 14, 21, ...?

20. Which of the following is a decreasing geometric sequence?

21. A sequence has Tn = 5n. What is the 6th term?

22. What is the next term in the sequence: 2, 4, 8, 16, ?

23. What is the formula for the sum of an arithmetic series?

24. The sum of the first 4 terms of 5, 10, 15, ... is:

25. What is the sum of the first 6 terms of the sequence: 2, 4, 6, 8, 10, 12?


 

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Photo of Mustansar Khan Mustansar KhanLast Updated: July 16, 2025
Photo of Mustansar Khan

Mustansar Khan

Hey Exam Warriors! I'm Mustansar Khan, your ally in conquering tests. Uncover strategies, real-time experiences, and expert advice to turn your study sessions into victories. Let's gear up for success!
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