Verbal Reasoning - Mental Ability Questions

In the following question, select the related number from the given alternatives.
ACOUSTIC : 91 : : RENOUNCE : ?

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

AZ, BY, CX, ?

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_E_B_DE

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

If 9*4 = 26, 4*4 = 16 and 3*6 = 18, then find the value of 5*2 = ?

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

IB,QD,XH,DP,?

Arrange the given words in the sequence in which they occur in the dictionary.
i. Monopoly
ii. Manifesto
iii. Manifold
iv. Mankind

In the following question, select the related letters from the given alternatives.
AGN : IOV : : BLM : ?