My neighbour’s son is very mischievous and always

Select the letter-cluster from among the given options that can replace the question mark (?) in the following series.

HCE, MHJ, ?, TOQ, VQS, WRT

Select the letter-cluster from among the given options that can replace the question mark (?) in the following series.

DI, GO, LU, OA, TG, ?

Four letter – cluster pairs have been given, out of which three are alike in some manner, and one is different. Select the one that is different.

In a certain code language, ‘VATT’ is coded as ‘65’ and ‘STOLK’ is coded as ‘79’. How will ‘GENEROUS’ be coded in that language?

Select the correct option that will complete the given alphanumeric series:

BIY, D3W, ?, H7S, J9Q

Which of the following numbers will replace the question mark (?) in the given series?

Study the given pattern carefully and select the number that can replace the question mark (?) in it.

First row - 4, 6, 13

If + means −, − means ×, × means ÷ and ÷ means +, then what will come in place of the question mark (?) in the following equation?