Tips on cracking Reasoning Questions on Letter Series

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3 Tips on Cracking Reasoning Questions on Letter
and Symbol Series
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Tip 1 Identify the changes happening in the
successive patterns of a symbol series
Question Look carefully at the sequence of
symbols to find the missing pattern. Solution
In each segment, the shapes are the same, but
the one in the middle is larger than the two on
either side. Also, one of the figures is shaded
and that this shading alternates between 1st
right and then left. Thus in the 3rd segment,
there will be two small squares with a big square
between them and the right small square will be
blackened. Thus, the correct option is
(2). Question Look carefully at the sequence of
symbols to find the missing pattern. Solution
In each of the segments, the figures alternate
between one-half and one-fourth shaded on the
opposite sides. Thus, to complete the
last segment, there should be one square that is
one-fourth shaded and another that is
half-shaded on the left side. Thus, the correct
option is (4).
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Tip 2 Break the complex letter series into
simpler ones and solve them individually
Question Look at the following series and fill
in the blank. SCD, TEF, UGH, ____, WKL Solution
There are two alphabetical series here. The
first series is with the first letters only, and
consists of the consecutive letters of the
alphabet starting from S, i.e., S, T, U, V, W.
The second series involves the remaining two
letters and involving 2 consecutive letters of
the alphabet starting from C, i.e., CD, EF, GH,
IJ, KL. So the missing term will be
VIJ. Question Look at the following series and
fill in the blank. DEF, DEF2, DE2F2, _____,
D2E2F3 Solution In this series, the letters
remain the same DEF. The subscript numbers
follow the following series 111, 112, 122, 222,
223, 233, 333, ... Thus, the missing term is
D2E2F2. Question Look at the following series
and fill in the blank. JAK, KBL, LCM, MDN,
____. Solution This series may be broken up
into 3 component series. The 1st one is the
series J, K, L, M, N. The 2nd one follows the
pattern A, B, C, D, E, and the 3rd one K, L, M,
N, O. Thus the missing term is NEO.
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Tip 3 Eliminate the incorrect choices
Question Look carefully at the sequence of
symbols to find the missing pattern. Solution
Since no 2 figures in the same segment are the
same, Options (1) and (2) are eliminated. Now,
the shading inside the circles gradually
increases or decreases. Thus, the correct option
is (3). Question Look at the following series
and fill in the blank. JAK, KBL, LCM, MDN,
_____ A. OEP B. NEO C. MEN D.PFQ Solution
The first letter of each term follows the series
J, K, L, M, N. This eliminates choices A, C, and
D. Thus, the correct answer is B. Question Look
carefully at the sequence of symbols to find the
missing pattern. Solution In all these
segments, the count of dots in the bottom box of
the previous set equals the count of dots in the
top box of the current set. This eliminates
options (2), (3) and (4). Thus, the correct
option is (1).
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