AMCAT Cheat Sheet 2026

The 30 highest-yield AMCAT facts, distilled from real exam questions. Print it, save it as a PDF, or study it here — free, no sign-up.

1. The HCF of 48 and 72 is: → 24
2. A car depreciates by 10% every year. If its current value is $18,000, what will it be worth after 2 years? → $14,580
3. What is the purpose of the ARP (Address Resolution Protocol)? → To convert IP addresses to MAC addresses on a local network
4. A hash table with chaining resolves collisions by: → Maintaining a linked list at each bucket
5. A train travels 360 miles in 6 hours. What is its average speed in miles per hour? → 60
6. What does 'coupling' refer to in the context of OOP design? → The degree of interdependence between software modules or classes
7. A non-deterministic finite automaton (NFA) has 5 states. What is the maximum number of states in an equivalent DFA obtained by the subset construction method? → 32
8. Five friends sit in a row. P sits to the right of Q and to the left of R. S sits to the right of R. T sits to the left of Q. Who sits in the middle? → P
9. Which data structure operates on a Last In, First Out (LIFO) principle? → Stack
10. What is the result of 7 % 3 in most programming languages? → 2
11. What is the role of the start symbol in a formal grammar? → It is the non-terminal from which all derivations begin
12. If the compound interest on a sum for 2 years at 10% per annum is $210, what is the principal? → $1000
13. In a certain code, 'go to school' is written as 'la fa ka' and 'go back home' is written as 'la ma na'. What is the code for 'go'? → la
14. What is the time complexity of inserting an element at the beginning of a singly linked list? → O(1)
15. A document has 5 pages. Page 1 has 300 words, Page 2 has 250, Page 3 has 310, Page 4 has 290, Page 5 has 280. What is the average word count per page? → 286
16. Choose the word that best fills the blank: 'The CEO's _______ leadership style inspired employees to exceed their targets consistently.' → charismatic
17. In a row of 40 students, if Ravi is 15th from the left, what is his position from the right? → 26th
18. Fill in the blank: The manager requested that the report ___ submitted by Friday. → be
19. If the day before yesterday was Thursday, what day will it be the day after tomorrow? → Monday
20. When a child class acquires the properties and behaviors of a parent class, this OOP concept is called: → Inheritance
21. Which data type in C is used to store a single character? → char
22. Which sequence of letters follows the pattern: A, Z, B, Y, C, X, D, __? → W
23. Series: 1, 1, 2, 3, 5, 8, 13, __. What comes next? → 21
24. Find the number that does NOT belong: 2, 4, 8, 15, 16, 32 → 15
25. Which disk scheduling algorithm processes requests in the order of the shortest seek time from the current head position? → SSTF (Shortest Seek Time First)
26. What is the space complexity of a recursive Fibonacci function (without memoization)? → O(n)
27. If 15% of a number is 45, what is the number? → 300
28. A is taller than B. C is taller than A. D is shorter than B. Who is the tallest? → C
29. What is the worst-case time complexity of Binary Search? → O(log n)
30. Which of the following is true about a VIEW in SQL? → A view is a virtual table based on the result of a SELECT query