Choose the correct alternative that will continue the same pattern and replace the question mark in the given series.

Choose the correct alternative that will continue the same pattern and replace the question mark in the given series.                                                      MHZ, NIW, OKT, PNQ, ?

What will replace the question mark (?) in the following series?2, 12, 36, 80, 150, 252, ?.

n each of the following questions a number/letter series is given.Which one of the alternatives will replace the question mark (?)1. 11, 29, 55, ?, 131(A) 110 (B) 81(C) 89 (D) 78

What will replace the question mark (?) in the following series?1, 3, 9, 39, 249, 2559, ?.

What should come in place of the question mark “?” in the following number series? 6,12, 8, 16, ?, 19.2