Which letter and number from the options will replace the question mark (?) in the following series?
1, Z, 9, W, 25, T, 49, Q, 81, ?, ?, K
1
N, 169
2
M, 225
3
M, 169
4
N, 121
Which letter and number from the options will replace the question mark (?) in the following series?
1, Z, 9, W, 25, T, 49, Q, 81, ?, ?, K