If the last four letters of the word 'CONCENTRATION' are written in reverse order followed by next two in the reverse order and next three in the reverse order and then followed by the first four in the reverse order, counting from the end which letter would be eighth in the new arrangement?

Options

A. N
B. T
C. E
D. R

Answer

D

Explanation

The new letter sequence is NOITARTNECNOC The eighth letter from the end is R.