Answer Posted / suraj kumar

j k Qn Qn+1 s r
0 0 0 0 0 x
0 0 1 1 x 0
0 1 0 1 1 0
0 1 1 1 x 0
1 0 0 0 0 x
1 0 1 0 0 1
1 1 0 1 1 0
1 1 1 0 0 1
then solve k-map for s and r
in case of s three variable j,k and Qn like three bit k-map solve
so s=j.Qn
r=k.Qn'
then make a circuit of sr flip-flop and join Qn and Qn+1 with sr flip-flop and make jk flip-flop.
sr latch

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