| Direction; In the given questions, a series of letters and numbers is given the terms of which follow certain definite pattern in groups. However, some terms in the series are missing which are given in the same order as one of the options below the series Choose the correct option. |
A) X, 21, C, W
B) A, 27, C, V
C) A, 21, D, V
D) X, 27, F, W
Correct Answer: C
Solution :
: We observe that the series can be divided into 5 groups of three terms each as shown below: Z _ 25 / Y B 23 / X C _ / W ?. 19 / _ E 17 Observing the group Y B 23, we see the number is the difference of the numbers representing the positions of the two letters in the English alphabet i.e., Y -- B = 23\[\Rightarrow 25-2=23.\] Similarly/ missing term in 1st group = Z ? 25 =26-25=1 = A.
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