JIPMAT (LR) PYQs

In this question, a letter series is given where some of the letters are missing. The missing letters are given in the order as one of the options below it.

Choose the correct option. a ________ c ________ ba ________ ca ________ cb

Find the pair of numbers that can replace the question mark (?) in the series given below :

$90,180,12,50,100, ?, ?, 3,50,4,25,2,6,30,3$.

Choose the correct answer from the options given below :