Question : Directions: In the following question, which one set of letters/numbers when sequentially placed at the gaps in the given letter series shall complete it?
b_ac_cc_cb_ab_ac
Option 1: cbaba
Option 2: bbaac
Option 3: abbbc
Option 4: aabba
Correct Answer: aabba
Solution :
Given:
b _ ac _ cc _ cb _ ab _ ac
To fill the series we have to divide the series –
b _ ac _ cc _ / cb _ ab _ ac
Let's check each option –
First option:
cbaba
;
b
c
ac
b
cc
a
/ cb
b
ab
a
ac
(No repeated pattern has been found)
Second option:
bbaac
;
b
b
ac
b
cc
a
/ cb
a
ab
c
ac
(No repeated pattern has been found)
Third option:
abbbc
;
b
a
ac
b
cc
b
/ cb
b
ab
c
ac
(No repeated pattern has been found)
Fourth option:
aabba
;
b
a
ac
a
cc
b
/ cb
b
ab
a
ac (The pattern followed is – Add 1 to b and a; Subtract 2 from c)
So, the series becomes→ baacaccbcbbabaac . Hence, the fourth option is correct.
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