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Servicenow Placement Papers 2025

Overview

This page is a working set of ServiceNow placement papers from 2025: from student reports questions, the 2025 online assessment pattern, and step-by-step solutions. Use it to see what ServiceNow actually asked in the latest cycle, how hard the rounds were, and which themes (DSA, system design, aptitude, or role-specific topics) mattered most. Practice the problems below under timed conditions, then cross-check with the interview and preparation guides if you are targeting an upcoming ServiceNow drive.

Download 2025 Placement Papers

ServiceNow 2025 paper 1

Latest ServiceNow placement paper with coding problems and solutions

ServiceNow 2025 paper 2

Additional 2025 ServiceNow paper with detailed solutions

ServiceNow 2025 paper 3

Another 2025 ServiceNow paper with comprehensive solutions

ServiceNow Online Assessment 2025 pattern

The 2025 exam pattern remains similar to 2024. For detailed exam pattern, see 2024 Papers.

Note: The pattern may have minor variations. Check the latest updates from the company.

ServiceNow Placement Papers 2025 - actual questions & solutions

This section contains practice questions styled on ServiceNow placement papers 2025 (recent-cycle pattern), with worked solutions. Use them as timed sectional drills - from student reports drives vary by college and role, so treat this as a high-signal practice bank, not an official paper dump.

Question 1: check palindrome

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Problem Statement: Return true if the string reads the same forward and backward (ignore case).

Example:

Input: "Level"
Output: true

Solution (Java):

public boolean isPalindrome(String s) {
    s = s.toLowerCase();
    int i = 0, j = s.length() - 1;
    while (i < j) {
        if (s.charAt(i++) != s.charAt(j--)) return false;
    }
    return true;
}

Time Complexity: O(n)
Space Complexity: O(1)

Question 2: maximum subarray sum

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Problem Statement: Find the contiguous subarray with the largest sum.

Example:

Input: [-2, 1, -3, 4, -1, 2, 1, -5, 4]
Output: 6  // [4, -1, 2, 1]

Solution (Java):

public int maxSubArray(int[] nums) {
    int best = nums[0], cur = nums[0];
    for (int i = 1; i < nums.length; i++) {
        cur = Math.max(nums[i], cur + nums[i]);
        best = Math.max(best, cur);
    }
    return best;
}

Time Complexity: O(n)
Space Complexity: O(1)

Question 3: reverse a string

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Problem Statement: Given a string, return it reversed.

Example:

Input: "placement"
Output: "tnemecalp"

Solution (Java):

public String reverse(String s) {
    return new StringBuilder(s).reverse().toString();
}

Time Complexity: O(n)
Space Complexity: O(n)

Question 4: first non-repeating character

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Problem Statement: Return the first non-repeating character in a string, or ‘_’ if none.

Example:

Input: "swiss"
Output: 'w'

Solution (Java):

public char firstUnique(String s) {
    int[] freq = new int[256];
    for (char c : s.toCharArray()) freq[c]++;
    for (char c : s.toCharArray()) if (freq[c] == 1) return c;
    return '_';
}

Time Complexity: O(n)
Space Complexity: O(1)

Question 5: merge two sorted lists

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Problem Statement: Merge two sorted linked lists and return a new sorted list.

Example:

Input: 1→2→4 , 1→3→4
Output: 1→1→2→3→4→4

Solution (Java):

public ListNode mergeTwoLists(ListNode a, ListNode b) {
    ListNode dummy = new ListNode(0), cur = dummy;
    while (a != null && b != null) {
        if (a.val <= b.val) { cur.next = a; a = a.next; }
        else { cur.next = b; b = b.next; }
        cur = cur.next;
    }
    cur.next = (a != null) ? a : b;
    return dummy.next;
}

Time Complexity: O(n + m)
Space Complexity: O(1)

Question 6: climbing stairs

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Problem Statement: You can climb 1 or 2 steps. How many distinct ways to climb n stairs?

Example:

Input: n = 4
Output: 5

Solution (Java):

public int climbStairs(int n) {
    if (n <= 2) return n;
    int a = 1, b = 2;
    for (int i = 3; i <= n; i++) {
        int c = a + b; a = b; b = c;
    }
    return b;
}

Time Complexity: O(n)
Space Complexity: O(1)

Question 7: rotate array right by k

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Problem Statement: Rotate the array to the right by k steps.

Example:

Input: [1,2,3,4,5,6,7], k = 3
Output: [5,6,7,1,2,3,4]

Solution (Java):

public void rotate(int[] nums, int k) {
    k %= nums.length;
    reverse(nums, 0, nums.length - 1);
    reverse(nums, 0, k - 1);
    reverse(nums, k, nums.length - 1);
}
void reverse(int[] a, int l, int r) {
    while (l < r) { int t = a[l]; a[l++] = a[r]; a[r--] = t; }
}

Time Complexity: O(n)
Space Complexity: O(1)

Question 8

Q8: Which data structure uses FIFO order?

Solution:

FIFO = First In First Out → Queue. Stack is LIFO.

Answer: Queue

Question 9

Q9: In OOP, hiding internal details and showing only essential features is called?

Solution:

This is the definition of Encapsulation (often paired with abstraction in interviews).

Answer: Encapsulation

Question 10

Q10: Worst-case time complexity of quicksort is?

Solution:

Unbalanced partitions (already sorted with bad pivot) → O(n²).

Answer: O(n²)

Question 11

Q11: Time complexity of binary search on a sorted array of n elements is?

Solution:

Each step halves the search space → O(log n).

Answer: O(log n)

Hiring volume

2025 Data: ServiceNow is actively hiring 600-1200 candidates in 2025. The company is conducting placement drives at 60+ colleges across India.

Salary packages

2025 Packages: ₹28-38 LPA for freshers (updated packages)

Process updates

2025 Updates: Latest assessment tools, improved interview process

Key insights from 2025 ServiceNow Online Assessment

  1. Coding Section is Critical: Must solve 2-3 coding problems correctly to advance
  2. Technical MCQs: Strong emphasis on CS fundamentals, OOP, DBMS, IT service management, AI/ML
  3. Time Management: 2-3 coding problems in 60-90 minutes + 15-20 technical MCQs in 30-40 minutes + 10-15 aptitude in 20-30 minutes
  4. Success Rate: Only 10-15% cleared OA and advanced to interviews
  5. Platform: ServiceNow’s assessment platform or HackerRank
  6. Focus Areas: DSA, algorithms, IT service management, workflow automation, cloud platforms, AI/ML
  7. Enhanced Emphasis: Optimal solutions, AI-powered IT service management, and cloud-native platforms

ServiceNow 2025 interview experiences

Based on recent candidate experiences from 2025 ServiceNow interviews:

2025 Interview Process:

  1. Online Assessment (90-120 minutes): Coding (2-3 problems) + Technical MCQs (15-20) + Aptitude (10-15)
  2. Technical Phone Screen (45-60 minutes): Coding problems, algorithm discussions, IT service management, AI/ML concepts
  3. Onsite/Virtual Interviews (4-5 rounds, 45-60 minutes each):
  • Coding rounds (2-3): Algorithms, data structures, problem-solving
  • System Design rounds: AI-powered IT service management platforms, workflow automation, cloud-native platforms
  • Behavioral rounds: Problem-solving approach, innovation, teamwork, impact

2025 Interview Trends:

  • Increased emphasis on AI/ML in IT service management and workflow automation
  • More focus on optimal solutions and cloud-native platforms
  • Enhanced behavioral questions about innovation and impact
  • Questions about AI-powered IT service management and automation

Common 2025 Interview Topics:

  • Coding: Arrays, strings, trees, graphs, dynamic programming, workflow algorithms
  • System Design: AI-powered IT service management platforms, workflow automation, cloud-native platforms
  • Behavioral: Problem-solving, innovation, teamwork, impact, AI/ML passion
  • ServiceNow Technologies: IT service management, AI-powered automation, cloud platforms, ServiceNow platform

Success Tips:

  • Strong coding performance is essential - solve problems optimally
  • Understand IT service management, AI/ML in automation, and cloud-native platforms
  • Practice system design for AI-powered IT service management platforms
  • Prepare examples demonstrating innovation and problem-solving
  • Learn ServiceNow’s platform, AI features, and IT service management solutions
  • Practice explaining your thought process clearly

For detailed interview experiences from 2025, visit ServiceNow Interview Experience page.

Preparation tips for ServiceNow 2025 pattern

  1. Master Coding Fundamentals: Focus on solving 2-3 coding problems correctly - arrays, trees, graphs, DP
  2. IT Service Management Expertise: Strong understanding of IT service management, AI-powered workflow automation
  3. Practice Previous Year Papers: Solve ServiceNow OA papers from 2020-2025 to understand evolving patterns
  4. Time Management: Practice completing 2-3 coding problems in 60-90 minutes
  5. Technical MCQs: Practice CS fundamentals, OOP, DBMS, IT service management, AI/ML basics
  6. LeetCode Practice: Solve 200+ LeetCode problems focusing on arrays, strings, trees, graphs (medium-hard difficulty)
  7. System Design Practice: Learn AI-powered IT service management platform design, workflow automation, cloud-native platforms
  8. ServiceNow Technologies: Learn ServiceNow platform, AI-powered automation, IT service management, cloud platforms
  9. Behavioral Preparation: Prepare examples using STAR format - innovation, problem-solving, AI/ML passion
  10. Mock Tests: Take timed practice tests to improve speed and accuracy
  11. AI/ML Basics: Understand AI/ML fundamentals and applications in IT service management

Comments & Suggestions

2024 papers

Coding questions

Interview experience

Preparation guide

ServiceNow hub

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