Verbal Reasoning - Mental Ability Questions

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

6,11,21,36,56,?

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

a _ c a a b _ a _ b c a a b _ a _ b _ a

In the following question, four groups of three numbers are given. In each group the second and third number are related to the first number by a Logic/Rule/Relation. Three are similar on basis of same Logic/Rule/Relation. Select the odd one out from the given alternatives.

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 shown in the given two matrices. 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 ,for example 'B' can be represented by 21,42 etc and '0' can be represented by 95,89 etc. similarly,you have to identify the set for the word ''YUCK''.

If the sum of three consecutive numbers is 15, what is the square of the middle number ?

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

5 , 9 , 6 , 11, 7 , ?

In the following question, select the odd letter/letters from the given alternatives.

In a certain code language, '÷' represents '+', '-' represents 'x', '+' represents '÷' and 'x' represents '-'. Find out the answer to the following question.

17 - 8 + 2 x 9 ÷ 8 = ?