5. Which of the following boxes should replace the question mark (?) to complete the pattern?

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

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

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

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

Below is given a series of images on the left and a set of four numbered images on the right. Select an image from amongst the four numbered images, which when placed in the box having a question mark '?' would complete the pattern.