निम्नलिखित संख्या श्रृंखला को पूरा करें: 10, 20, 60, 300, ?

What will be the missing letter in the given letter series? C, F, L, ?, G, V

What will be the next term in the given letter-number-symbol series? L3*, 6I, F9, C12, ?

A series is given with one incorrect term. Select that wrong term from the given options: BL15, KU60, TD240, CM960, LU3840