Microsoft Software Development Engineer (SDE) interview questions

The interview bit is enough to pass interviews. One question from Trees and one from Math was asked and one was simple bfs. The question from trees was given a node we have to find the sibling of that node and we have been given left, right and parent of every node.

1 coding round which was held on codility platform out of which 50 people where selected from around 300 students 2 technical rounds 1 HR + technical mix They have taken HR rounds of 15 students