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Direction: In each of the following questions, a number series is given with one missing term. Choose correct alternative that will continue the same pattern and fill in the blank spaces.
20, 20, 19, 16, 17, 13, 14, 11, __, __
  • a)
    10, 10
  • b)
    10, 11
  • c)
    13, 14
  • d)
    13, 16
Correct answer is option 'A'. Can you explain this answer?
Verified Answer
Direction: In each of the following questions, a number series is give...
Let the missing terms of the series be x
1
 and x
2
.

Thus, the sequence 20, 20, 19, 16, 17, 13, 14, 11, xv x2 is a combination of two series :

I. 20, 19, 17, 14, x
1
 and II. 20, 16, 13, 11, x
2

The pattern in I is - 1, - 2, - 3,...So, missing term, x
1
 = 14 - 4 = 10.

The pattern in II is - 4, - 3, - 2,...So, missing term, x
2
 = 11 - 1 = 10.
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Most Upvoted Answer
Direction: In each of the following questions, a number series is give...
Understanding the Number Series
The given series is:
20, 20, 19, 16, 17, 13, 14, 11, __, __
Analyzing the Pattern
1. Look for a Sequence:
- The series alternates between two sequences.
2. First Sequence:
- 20, 19, 17, 14, 11
- This sequence decreases by:
- 20 to 19 (decrease by 1)
- 19 to 17 (decrease by 2)
- 17 to 14 (decrease by 3)
- 14 to 11 (decrease by 3)
3. Second Sequence:
- 20, 16, 17, 13, 14
- This sequence decreases as follows:
- 20 to 16 (decrease by 4)
- 16 to 17 (increase by 1)
- 17 to 13 (decrease by 4)
- 13 to 14 (increase by 1)
Finding the Missing Terms
- Continuing the first sequence (11):
- The next number should decrease by 4 (11 - 4 = 7).
- Continuing the second sequence:
- After 14, it should decrease by 4 again (14 - 4 = 10).
Conclusion
- The missing terms are 10 and 10.
Thus, the correct answer is option 'A': 10, 10.
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Direction: In each of the following questions, a number series is given with one missing term. Choose correct alternative that will continue the same pattern and fill in the blank spaces.20, 20, 19, 16, 17, 13, 14, 11, __, __a)10, 10b)10, 11c)13, 14d)13, 16Correct answer is option 'A'. Can you explain this answer?
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