991 990 992 991 993 992 994 ?
Solving the Number Series Question Mark
The question asks to identify the number that should replace the question mark (?) in the given numerical series: 991, 990, 992, 991, 993, 992, 994, ?
Series Pattern Identification
To find the missing number, we need to determine the pattern governing the series. Let's analyze the difference or relationship between consecutive terms:
- 991 to 990: Subtract 1 ($991 - 1 = 990$)
- 990 to 992: Add 2 ($990 + 2 = 992$)
- 992 to 991: Subtract 1 ($992 - 1 = 991$)
- 991 to 993: Add 2 ($991 + 2 = 993$)
- 993 to 992: Subtract 1 ($993 - 1 = 992$)
- 992 to 994: Add 2 ($992 + 2 = 994$)
Applying the Pattern
The observed pattern is an alternating sequence of operations: Subtract 1, then Add 2. Following this established pattern, the next operation after adding 2 should be subtracting 1.
The last given number in the series is 994.
Applying the next step of the pattern:
Number = Last Number - 1
Number = $994 - 1$
Number = $993$
Conclusion
Therefore, the number 993 should come in place of the question mark (?) in the series.
Similar Questions
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Important Questions from Number Series
What will come in place of question mark (?) in the following number series?
2, 5, 11, 23, 44, 77, ?
What will come in place of question mark (?) in the following number series?
31, 32, 36, ?, 61, 86
What will come in the place of question mark (?) in the following number series?
3, 6, 18, ?, 630, 6930
What should come in place of the question mark ‘?’ in the following number series?
60, 40, 50, ?, 180, 460
A series is given with one term wrong. Select that wrong term from the given alternatives.
J12, M24, P48, S96, U192
