A) abdca
B) bcadc
C) abcdd
D) cbdaa
Correct Answer: A
Solution :
The series formed is: \[\underline{a}\,\,a\,\,b\,\,a\,\,\underline{b}\,\,\,c\,\,a\,\,\,b\,\,c\,\,\underline{d}\,\,d\,\,c\,\,b\,\,a\,\,\underline{c}\,\,b\,\,a\,\,b\,\,\underline{a}\,\,a\] in which the letters equi-distant from the beginning and end are the same.You need to login to perform this action.
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