12, 42, 77, 117, 162, ?
a) 216
b) 212
c) 208
d) 218
e) 204
Sol:
12 + 30 = 42
42 + 35 = 77
77 + 40 = 117
117 + 45 = 162
162 + 50 = 212
12, 42, 77, 117, 162, ?
a) 216
b) 212
c) 208
d) 218
e) 204
Sol:
12 + 30 = 42
42 + 35 = 77
77 + 40 = 117
117 + 45 = 162
162 + 50 = 212
