List of top Logical Reasoning Questions on Series asked in Karnataka PGCET

Find the wrong term in the letter-number series: Q1F, S2E, U6D, W12C, Y88B
Which term of the series 5, 10, 20, 40, ..... is 1280?
Find the missing term in the following series: 1, 3, 4, 9, ___, 27, 10
Which of the following will replace the question mark (?) in the series AZ, GT, MN, ?, YB