Applied Materials Design Engineer interview questions

There were 3 rounds. The first one was written which included Technical and Aptitude. There were 25 technical and 25 aptitude questions. Most of the questions were application based. Aptitude part was bit tough when compared to other company written tests. Technical part covered all the subjects of Mechanical Engineering and Aptitude part covered some important topics like Numbers, Ratios, HCF and LCM, Percentages, Ages etc.