Logical Reasoning - Number and Letter Series
66. Find the missing letters and numbers in the following
series.
C2A, E5D, G8G, I11J, __________
- Option : A
- Explanation : This series is just like the above series. However, the middle letter of each term is replaced by a number.
67. Find the missing letters in the following series.
QAR, RAS, SAT, TAU, __________
- Option : A
- Explanation : The third letter is repeated as the first letter of the next segment. The middle letter, A, remains static. The third letters are in alphabetical order beginning with R.
68. Find the next pair in the sequence.
C − 3, E − 6, G − 12, I − 24, K − 48, __________
- Option : B
- Explanation : There is a gap of one letter in the successive terms. The numbers are doubled.
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