A. 7/16
B. 3/32
C. 3/16
D. none of these
0, 11, 26, 45, .
80, 75, 65, 50, .
4, 9, 20, 43, 90, .
f(6, 4) equals to
1W 2V 3U 5T ? 13R
HV GT FR EP DN ?
I M Q ?
258 130 66 ? 18 10
2 3 4 6 8 ? 16 24
D F I M R ?