Quantitative Reasoning Sequences and Series Online Test MCQs

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. The nth term of a sequence is Tn = n² + 1. What is T3?

2. Which of the following is an arithmetic sequence?

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

4. The sum of a geometric series is 31, and its terms are 1, 2, 4, 8, ... What is the last term?

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

6. If the nth term of a sequence is given by Tn = 3n + 2, what is T5?

7. What is the sum of 6 + 12 + 18 + 24 + 30?

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

9. What is the sum of the first 10 natural numbers?

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

11. Which sequence represents the formula Tn = 3n + 1?

12. In a geometric sequence, if a = 5 and r = 2, what is T4?

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

14. What is the 3rd term of the sequence: 11, 9, 7, 5, ...?

15. What is the sum of the first 10 even numbers?

16. If a sequence is: 5, 15, 45, 135, ..., what is the 6th term?

17. What is the next term in the series: 0.5, 1.5, 4.5, 13.5...?

18. If Tn = 4n – 1, find T6

19. Find the 4th term of Tn = 2n² – 3

20. Find the sum of first 5 odd numbers.

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

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

23. The sum of first n even numbers is:

24. Find the 9th term of the sequence: 2, 5, 8, 11, ...

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


 

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Mustansar KhanLast Updated: July 16, 2025

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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