Section 1: Aptitude (5 Questions) Number Guessing Logic Person A thinks of a number between 1 and 1000. Person B must guess the number by asking yes/no questions. Question: What is the minimum number of questions B needs to find the number? Chemical Test Puzzle You are given 10 test tubes. One contains a chemical that will turn red exactly after 10 hours. You can use only 4 test tubes to find the reactive one. Question: How can you identify the correct test tube within these constraints? Drawer Toggling Puzzle There are 100 closed drawers. The 1st person toggles every drawer starting from the 1st. The 2nd person toggles every 2nd drawer starting from the 2nd, the 3rd person every 3rd starting from the 3rd, and so on up to the 100th person. Question: After all 100 people have taken their turns, how many drawers remain open? Batting Average Puzzle A batsman has an average score of 40 runs over 10 innings. Question: How many additional innings of 100 runs each are needed to increase the average to 50? Observation-Based Question All employees in an office are seen looking at their screens and working sincerely. Question: On entering the office, you observe this — does it really mean they are all sincerely working? (This is a critical thinking/logical reasoning question.) 🔌 Section 2: Electronics (5 Questions) Transistor Basics of transistors and their real-life applications. Half Adder & Full Adder Circuit diagram, working, and truth table of both. Flip-Flop General concepts and types of flip-flops. SR Latch Circuit diagram and explanation of SR Flip-Flop or Latch. (One question not remembered) 💻 Section 3: Coding (5 Questions) Missing Number in a Sequence Given a list of numbers (e.g., [1, 2, 4, 5]), find the missing number (in this case, 3) from the sequence up to n. Anagram Check Write a program to check if two strings are anagrams of each other. (One question not remembered)
