A. 100
B. 104
C. 108
D. 120
2, 12, 30, 56, ?, 132, 182
625, 5, 125, 25, 25, ?, 5
P3C, R5F, T8I, V12L, ?
A,G,L,P,S …?
If the nth term of an A.P. is 4n + 1, then the common difference is
1, 1, 3/4 ,1/2,5/16,.........................,
0, 11, 26, 45, .
80, 75, 65, 50, .
4, 9, 20, 43, 90, .
f(6, 4) equals to