निम्नलिखित में से कौन सी संख्या दी गई शृंखला में प्रश्न चिह्न (?) को प्रतिस्थापित करेगी? 30, 30, 45, 90, ?, 675

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