Multiple choice general knowledge

R,M,,F,D,

  1. I,B

  2. T,H

  3. I,C

  4. J,K

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The alphabetical series is R(18), M(13), I(9), F(6), D(4), C(3). Subtract 5, then subtract 4, then subtract 3, then subtract 2, then subtract 1. After M(18-5=13), subtracting 4 gives I(9). After F(6), subtracting 2 gives D(4), then subtracting 1 gives C(3). The blanks are I and C.