Quantitative Reasoning Sequences and Series Online Test MCQs

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

2. The 2nd term of a geometric sequence is 6 and the 4th term is 24. What is the common ratio?

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

4. Which of the following is an arithmetic sequence?

5. Find the sum of first 5 odd numbers.

6. If Tn = 7n – 4, what is T8?

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

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

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

10. If Tn = 6n – 5, find T3

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

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

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

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

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

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

17. Which of the following sequences has a common ratio of 0.5?

18. Which formula represents a geometric sequence?

19. Find the 4th term of Tn = 2n² – 3

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

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

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

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

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

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


 

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