Verbal Reasoning - Mental Ability Questions

In the following question, which one set of letters when sequentially placed at the gaps in the given letter series shall complete it?

ab_bc_bb_ _abb_c

A series is given with one term missing. Select the correct alternative from the given ones that will complete the series.

HVJ, FTH, DRF, BPD, ?

A series is given with one term missing. Select the correct alternative from the given ones that will complete the series.

BM, FQ, JU, ?, RC

The weights of 4 boxes are 90, 30, 20 and 50 kilograms. Which of the following cannot be the total weight, in kilograms, of any combination of these boxes and in a combination a box can be used only once?

Find the odd word/letters/number pair from the given alternatives.

In the following question, which one set of letters when sequentially placed at the gaps in the given letter series shall complete it?

PE_NP_ON_EO_

A series is given with one term missing. Select the correct alternative from the given ones that will complete the series.

LKG, JHC, HEY, FBU, ?

In the question, a word is represented by only one set of numbers as given in any one of the alternatives. The sets of numbers given in the alternatives are represented by two classes of alphabets as in two matrices given below. The columns and rows of Matrix I are numbered from 0 to 4 and that of Matrix II are numbered from 5 to 9. A letter from these matrices can be represented first by its row and next by its column, e.g., 'C' can be represented by 21, 43, etc. and 'U' can be represented by 75, 98 etc. You have to identify the set for the word 'ROAD'.