Select the letter that can replace the question mark (7?) in the following series.
C, E, H, J, M, 0, R, ?
The series follows pattern as,
C + 2 = E
E + 3 = H
H + 2 = J
J +Â 3 = M
M +Â 2 = O
O +Â 3 = R
R +Â 2 = T
$$\therefore$$ The correct answer is option B.
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