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

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

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

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

5. Find the 10th term of the geometric sequence: 2, 4, 8, 16, ...

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

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

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

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

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

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

12. The sum of first n even numbers is:

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

14. Find the sum of first 5 odd numbers.

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

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

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

18. What is the common difference in the sequence: –2, 1, 4, 7...?

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

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

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

22. Sum of first 5 odd numbers is:

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

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

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


 

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