Find the correct sequence of five missing letters which will complete the following letter series: d c c _ b a _ a d _ c c b a _ a

AB a c a

BC a c a ✓ Correct

CC b c a

DC a c d

Correct answer: (B) C a c a

Explanation

The missing letters are c, a, c, a.

The series repeats in a block of eight letters.

Comparing the two halves, position 4 must match position 12 = c.

The blank after the first d is c, and position 10 is also c.

The remaining two blanks are both a, giving c a c a.

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