Question

33 39 57 87 129 (?)
(1) 183
(2) 177
(3) 189
(4) 199
(5) None of these

Answer 1

1)183 because the numbers are actually added from the first no. in the sequence of the odd multiples of 6

6*1 = 6              33+6 = 39
6*3=18              39+18=57
6*5=30              57+30=87
6*7=42              87+42=129