Verbal Reasoning - Mental Ability Questions

Since he is telling about the thing that had happened in past.

As Microphone makes sound louder similarly Microscope makes the object magnified.

Hence, Microphone : Loud :: Microscope : Magnify.

FRIEND : FPIBNZ

Follows a pattern that,

F - F

R- second letter to left of R i.e, P

I - I

E - Third letter to left of E i.e, B

N - N

D - Fourth letter to left of D i.e, Z

Similarly, for PATRON 

P - P

A -  second letter to left of A i.e, Y

T - T

R - Third letter to left of R i.e, O

O - O

N - Fourth letter to left of N i.e, J

PATRON : PYTOOJ

Therefore, FRIEND : FPIBNZ :: PATRON : PYTOOJ

 Shivaji initiated the guerilla warfare to defeat the Mughuls but he did not fear them. 

The series is bac/bac/bac/bac/bac/bac.
The pattern bac is repeated.

Anil is the brother of Daya and Days is the son of Chandra. 

So, Anil is the son of Chandra Now, Bimal is the father of Chandra. 

So, Anil is the grandson of Bimal.