Consider the following sequence that follows some arrangement: a_abcbc_ca_ac_b. The letters that appear in the gaps are

(a) ccba

(b) abca

(c) aabb

(d) bbca

Question

Consider the following sequence that follows some arrangement: a_abcbc_ca_ac_b. The letters that appear in the gaps are

(a) ccba

(b) abca

(c) aabb

(d) bbca

ONLiNE UPSC · Accepted Answer

Here, the sequence is ababc/bcbca/cacab.

So, the filling sequence is bbca.

Hence, option d is correct.

Pattern Recognition

Letter Sequences

Website Link

Test Your Knowledge

Student Resources