Comment the trickiest question asked to you. Or you can comment any mistakes you've done.
There are no tricky questions unless you try to be funny. Questions are about what you intend to with your visa and what your status is e.g. single or married, employed etc.
What type of visa? There are many different interviews, ranging from border security to marriage validity
Pretty easy interview until the immigration officer asked me to sort a linked list in O(1)
Classic πππππ
Tourist , L1 and even GC all took under 5 min. Cases were always perfect and had all the docs and requirements filled properly.
There should be options in secs, mine was less than a min