IBM
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Logical Reasoning
Number Series
What is the missing number in this series?
8 2 14 6 11 ? 14 6 18 12
Read Solution (Total 4)
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- 9
8 2 14 6 11 ? 14 6 18 12
? should be replaced by 9.
8 2 14 6 11 9 14 6 18 12
sum of first and last number = 8+12= 20
similarly for next pair, 2+18 = 20
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Hence 20-11= 9 should be missing number. - 13 years agoHelpfull: Yes(33) No(0)
- sum up the digits from end
8+12=20
2+18=20
14+6=20
6+14=20
Hence 11 + x = 20
Therefore x=9
The answer is 9
- 13 years agoHelpfull: Yes(7) No(0)
- the sequence is the difference of 6,8.
so ans=5 - 11 years agoHelpfull: Yes(1) No(3)
- 8-2=6,14-6=8,11-5=6,14-6,18-12=6.
we have diff. of 6,8,6,8,6. - 7 years agoHelpfull: Yes(0) No(0)
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