Which of the following reactions occurs by the removal of a $-CO-$ group from an amide?

Predict the major product $P$ in the following sequence of reactions$-$
$(i)$ $HBr$,benzoyl peroxide
(ii) $KCN$
(iii) $Na(Hg)/C_2H_5OH$
[Image: $1-$methylcyclopentene reacting with the above reagents to form $P$]

Which of the following is $NOT$ a correct method for the preparation of benzylamine $(C_6H_5CH_2NH_2)$ from cyanobenzene $(C_6H_5CN)$?

The total number of reagents from those given below,that can convert nitrobenzene into aniline is ..... . (Integer answer)
$I.$ $Sn/HCl$
$II.$ $Sn/NH_4OH$
$III.$ $Fe/HCl$
$IV.$ $Zn/HCl$
$V.$ $H_2-Pd$
$VI.$ $H_2-$ Raney Nickel

Aniline is not the major product in one of the following reactions. Identify that reaction.

Which of the following reactions is used for the preparation of $1^o$ amines?