ISI 2017

[MomoChan]

Please help with the working of questions 11-13.
Screenshot_20180409-090608.png

[lucifer]

Did you get the solution?

[MomoChan]

Got it for 11.
12 and 13 still need help.

[HARISH RAJPUT]

Q: 12 a
Q: 13 a

[lucifer]

can you please explain?

[HARISH RAJPUT]