Odd Man Out and Series - General Aptitude

Q1:

10, 26, 74, 218, 654, 1946, 5834

A 26

B 74

C 218

D 654

E 1946

ANS:D - 654

2nd term = (1st term) x 3 - 4 = 10 x 3 - 4 = 26. 3rd term = (2nd term) x 3 - 4 = 26 x 3 - 4 = 74. 4th term = (3th term) x 3 - 4 = 74 x 3 - 4 = 218. 5th term = (4th term) x 3 - 4 = 218 x 3 - 4 = 650.  5th term must be 650 instead of 654.