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Find out the wrong number in the following number series.
1, 5, 40, 210, 1680, 15120
- a)5
- b)40
- c)210
- d)1680
- e)None of these
Correct answer is option 'B'. Can you explain this answer?
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Most Upvoted Answer
Find out the wrong number in the following number series.1, 5, 40, 210...
1 x 5 = 5
5 x 6 = 30 (not 40)
30 x 7 = 210
210 x 8 = 1680
1680 x 9 = 15120
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Community Answer
Find out the wrong number in the following number series.1, 5, 40, 210...
Identifying the Wrong Number in the Series
To identify the wrong number in the given series, we need to analyze the pattern and relationship between the numbers.
Pattern in the Series
1, 5, 40, 210, 1680, 15120
Calculating the Differences
- The difference between 1 and 5 is 4.
- The difference between 5 and 40 is 35.
- The difference between 40 and 210 is 170.
- The difference between 210 and 1680 is 1470.
- The difference between 1680 and 15120 is 13440.
Identifying the Wrong Number
- By analyzing the differences between consecutive numbers in the series, we can see that the difference between 1680 and 15120 is 13440, which is different from the other differences in the series.
- Therefore, the wrong number in the series is 1680.
Conclusion
By understanding the pattern and differences in the number series, we have identified that 1680 is the wrong number in the given sequence.
To identify the wrong number in the given series, we need to analyze the pattern and relationship between the numbers.
Pattern in the Series
1, 5, 40, 210, 1680, 15120
Calculating the Differences
- The difference between 1 and 5 is 4.
- The difference between 5 and 40 is 35.
- The difference between 40 and 210 is 170.
- The difference between 210 and 1680 is 1470.
- The difference between 1680 and 15120 is 13440.
Identifying the Wrong Number
- By analyzing the differences between consecutive numbers in the series, we can see that the difference between 1680 and 15120 is 13440, which is different from the other differences in the series.
- Therefore, the wrong number in the series is 1680.
Conclusion
By understanding the pattern and differences in the number series, we have identified that 1680 is the wrong number in the given sequence.
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Find out the wrong number in the following number series.1, 5, 40, 210, 1680, 15120a)5b)40c)210d)1680e)None of theseCorrect answer is option 'B'. Can you explain this answer?
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