Logical Reasoning - Number and Letter Series
61. Find the missing letters in the following series.
SCD, TEF, UGH, __________, WKL
- Option : C
- Explanation : For first letter of each triplet, the series is STUVW. The remaining two letters of the series goes like CD, EF, GH, IJ, KL.
62. Find the missing letters in the following series.
JAK, KBL, LCM, MDN, __________
- Option : B
- Explanation : This is an alternating series in alphabetical order. The middle letters follow the order ABCDE. The first and third letters of the triplets are in alphabetical order beginning with J. The third letter is repeated as a first letter in each subsequent three−letter segment.
63. Find the missing letters in the following series.
AK, EO, IS, __________, QA, UE
- Option : B
- Explanation : If we look at the alphabetic series, the difference between first letters of all pairs is three. Moreover, the difference between two letters in each pair is ten. Hence, MW is the answer.
64. Find the missing letters in the following series.
ELFT, GLHT, ILJT, __________, MLNT
- Option : D
- Explanation : The second and fourth letters in the series, L and T are static. The first and third letters consist of an alphabetical order beginning with the letter E.
65. Find the missing letters in the following series.
WE, SG, PJ, LN, __________
- Option : A
- Explanation :
First Letter Second Letter W – 4 = S E + 2 = G S – 3 = P G + 3 = J P – 4 = L J + 4 = N L – 3 = I N + 5 = S
Thus (a) is the right answer.
