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Directions (11-15): What will come in place of question mark (?) in the following no. series?
131   112   123   121   116   131   110   ?
  • a)
    142
  • b)
    154
  • c)
    172
  • d)
    163
  • e)
    None of these 
Correct answer is option 'A'. Can you explain this answer?
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Directions (11-15): What will come in place of question mark (?) in th...
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Directions (11-15): What will come in place of question mark (?) in th...

Series Analysis:
- The series is: 131 112 123 121 116 131 110 ?

Pattern Observation:
- The series seems to have alternating patterns.

Pattern 1:
- Subtracting 19 from each number alternately: 131 - 19 = 112, 123 - 19 = 104, 116 - 19 = 97, 110 - 19 = 91

Pattern 2:
- Adding 9 to each number alternately: 112 + 9 = 121, 104 + 9 = 113, 97 + 9 = 106, 91 + 9 = 100

Final Pattern:
- The next number should follow the alternate addition and subtraction pattern: 121 - 19 = 102

Therefore, the missing number in the series is 102.
- Option 'A' (142) is the correct answer.
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Directions (11-15): What will come in place of question mark (?) in the following no. series?131 112 123 121 116 131 110 ?a)142b)154c)172d)163e)None of theseCorrect answer is option 'A'. Can you explain this answer?
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