Doubt in filp flop gate problem

Electronics & Communication Digital Electronics
#1

![gate%20problem|690x453](upload://hCj6mQ4KEGqnggTdZheam getting the answer as 4 clock cycles please tell me the correct answer

#2

gate%20problem
gate problem.jpg720×473 62.2 KB

#3

CLK1 - 0 0 0
CLK2 - 0 1 0
CLK3 - 0 1 1
CLK4 - 1 0 0
CLK5 - 1 0 1
CLK6 - 0 0 0

Therefore, 000 will be repeated after 6 number of cycles of the clock CLK.