Interview process as mentioned in the call letter:

• Written test (25 aptitude and 25 technical) for 1 hour
• Technical programming: 1 hour
• Technical face to face: 1 hour

Written test review:

Aptitude consisted of questions from the following topics:

• A large cube painted on all its sides and divided into 64 pieces; determine how many cubes have no painted side, two painted sides, three painted sides.
• Find the missing number in the series.
• Blood relations.
• Count the trailing zeroes of 302!.
• Areas of a square and circle when they are inscribed inside themselves.
• Clock.
• Frog jump problem.
• Percentage.
• Union and intersections.

Technical aptitude:

• Inorder, preorder, postorder traversals of normal trees and BST.
• CMOS full form.
• 4X1 Multiplexer.
• Output of some simple programs.
• Priority scheduling algorithms.
• fork() call.
• QUEUES.

Try to complete all the questions. If you aren't completing all the questions, you are no way clearing the round.