Verbal Reasoning - Mental Ability Questions

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

16 x 4 ÷ 15 - 9 + 4 = ?

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

5, 10, 30, 120, ?

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

BE, HK, NQ, ?

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

ZA, XC, TG, NM, ?

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

JD,?,QK, VP, BV

Rearrange the jumbled letters to make meaningful words and then select the one which is different.

Farhan scored more runs than Raju. Simran scored more runs than Nitu but lesser runs than Raju. Who scored the highest runs?

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 'F' can be represented by 41,24 etc and 'V' can be represented by 57,78 etc. similarly,you have to identify the set for the word ''MOCK''.