a sequence of numbers or letters that follow a definite pattern is given. Each question has a blank space. This has to be filled by the correct answer from the four given options to complete the sequence without breaking the pattern.
PRT : OPQ :: GIK : -----
2, 6, 12, 20, ------, 42, 56, 72
Reading : Knowledge :: ---------- : ----------
10, 100, 110, 111, 1000, -------
AEF : BIJ :: ------- : OUV
120 : 60 :: 24 : -------
121, 112, ------, 97, 91, 86
4, 8, 12, 24, 36, 72, -------
10, 30, 150, -----, 11550, 150150
TUW, VWY, XYA, ZAC, -------