most of the aptitude questions were based on basic c, probability, electronics etc. we expected questions related to networks but as the job profile was different, we had no questions related to networks. So aptitude round also depends on the job profile. some ec related questions were about- wire guage, half and full wave rectifier programming- find the output and find the error probability- ant and triangle problem, probability of picking number from 1-100 in which number remains same even after changing units place and tens palce venn diagram problem to find the percentage of people who read only advertisement out of two types of newspaper analog to digital converter hash table question if logb a= laga b, what is the relationship between a and b some other quants questions a question from permutation and combination- out of 5 men and 7 women a committee must be created. committee should have 5 members out of which at least 2 women must be present in a committee. but two particular women don't like each other. number of ways committee can be made which does not include those two women in the same group.