Test Index

SSC CPO SI and ASI Model Paper 7

Directions (Q. 7–9): What will come in place of '?' in the following series?

Question : 7 of 200

Marks: +1, -0

DTG FQK HNO JKS ?

Solution:

Concept:

In letter series, split each term into first, second, and third letters, then track their alphabet positions separately.

Explanation:

First letters:

\mathrm{D}(4), \mathrm{F}(6), \mathrm{H}(8), \mathrm{J}(10)

increase by

+2

, so next is

\mathrm{L}(12)

Second letters:

\mathrm{T}(20), \mathrm{Q}(17), \mathrm{N}(14), \mathrm{K}(11)

decrease by

3

, so next is

\mathrm{H}(8)

Third letters:

\mathrm{G}(7), \mathrm{K}(11), \mathrm{O}(15), \mathrm{S}(19)

increase by

+4

, so next is

\mathrm{W}(23)

Hence the required term is

\mathrm{LHW}

Answer:

\mathrm{LHW}

(Option C).

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