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Nvidia Placement Papers 2025

Overview

This page is a working set of NVIDIA placement papers from 2025: from student reports questions, the 2025 online assessment pattern, and step-by-step solutions. Use it to see what NVIDIA 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 NVIDIA drive.

Download 2025 Placement Papers

NVIDIA 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.

NVIDIA Placement Papers 2025 - actual questions & solutions

This section contains practice questions styled on NVIDIA 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: 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 2: 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 3: binary tree level order

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Problem Statement: Return the level-order traversal of a binary tree.

Example:

Input: [3,9,20,null,null,15,7]
Output: [[3],[9,20],[15,7]]

Solution (Java):

public List<List<Integer>> levelOrder(TreeNode root) {
List<List<Integer>> res = new ArrayList<>();
if (root == null) return res;
Queue<TreeNode> q = new ArrayDeque<>();
q.add(root);
while (!q.isEmpty()) {
int sz = q.size();
List<Integer> level = new ArrayList<>();
for (int i = 0; i < sz; i++) {
TreeNode n = q.poll();
level.add(n.val);
if (n.left != null) q.add(n.left);
if (n.right != null) q.add(n.right);
}
res.add(level);
}
return res;
}

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

Question 4: longest common prefix

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Problem Statement: Find the longest common prefix string amongst an array of strings.

Example:

Input: ["flower","flow","flight"]
Output: "fl"

Solution (Java):

public String longestCommonPrefix(String[] strs) {
if (strs.length == 0) return "";
String pref = strs[0];
for (int i = 1; i < strs.length; i++) {
while (!strs[i].startsWith(pref)) {
pref = pref.substring(0, pref.length() - 1);
if (pref.isEmpty()) return "";
}
}
return pref;
}

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

Question 5: 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 6: 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 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 protocol is connection-oriented at the transport layer?

Solution:

TCP is connection-oriented; UDP is connectionless.

Answer: TCP

Question 9

Q9: Virtual memory is typically implemented using?

Solution:

OS uses demand paging (and sometimes segmentation) to implement virtual memory.

Answer: Demand paging

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: Which data structure uses FIFO order?

Solution:

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

Answer: Queue

Hiring volume

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

Salary packages

2025 Packages: ₹40-50 LPA for freshers (updated packages)

Process updates

2025 Updates: Latest assessment tools, improved interview process

Key insights from 2025 NVIDIA 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, algorithms, GPU computing, 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: NVIDIA’s assessment platform or HackerRank
  6. Focus Areas: DSA, algorithms, GPU computing, parallel computing, AI/ML, CUDA
  7. Enhanced Emphasis: Optimal solutions, GPU computing, and AI/ML expertise

NVIDIA 2025 interview experiences

Based on recent candidate experiences from 2025 NVIDIA 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, GPU computing, AI/ML concepts
  3. Onsite/Virtual Interviews (4-5 rounds, 45-60 minutes each):
  • Coding rounds (2-3): Algorithms, data structures, problem-solving, parallel algorithms
  • System Design rounds: GPU systems, parallel computing, AI/ML systems, CUDA programming
  • Behavioral rounds: Problem-solving approach, innovation, teamwork, impact

2025 Interview Trends:

  • Increased emphasis on AI/ML and GPU computing expertise
  • More focus on optimal solutions and parallel algorithm design
  • Enhanced behavioral questions about innovation and impact
  • Questions about CUDA programming, GPU architecture, and AI/ML frameworks

Common 2025 Interview Topics:

  • Coding: Arrays, strings, trees, graphs, dynamic programming, parallel algorithms
  • Technical: GPU computing, CUDA programming, parallel computing, AI/ML fundamentals, system design
  • Behavioral: Innovation, problem-solving, teamwork, impact, AI/ML passion
  • NVIDIA Technologies: GPU architecture, CUDA, AI/ML frameworks (TensorFlow, PyTorch), parallel computing

2025 Interview Questions Examples:

  • Two Sum Problem
  • Reverse Linked List
  • GPU computing concepts and CUDA programming
  • Parallel algorithm design
  • AI/ML fundamentals and frameworks
  • System design for GPU-accelerated systems

Success Tips:

  • Strong coding performance is essential - solve problems optimally
  • Understand GPU computing, CUDA programming, and parallel computing deeply
  • Practice system design for GPU systems and AI/ML systems
  • Prepare examples demonstrating innovation and AI/ML passion
  • Learn NVIDIA technologies - CUDA, GPU architecture, AI/ML frameworks
  • Practice explaining your thought process clearly

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

Preparation tips for NVIDIA 2025 pattern

  1. Master Coding Fundamentals: Focus on solving 2-3 coding problems correctly - arrays, trees, graphs, DP
  2. GPU Computing Expertise: Strong understanding of GPU computing, CUDA programming, parallel computing
  3. Practice Previous Year Papers: Solve NVIDIA 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, GPU computing, parallel computing, AI/ML
  6. LeetCode Practice: Solve 200+ LeetCode problems focusing on arrays, strings, trees, graphs (medium-hard difficulty)
  7. GPU Technologies: Learn CUDA programming, GPU architecture, parallel algorithms in depth
  8. AI/ML Expertise: Understand AI/ML fundamentals, frameworks (TensorFlow, PyTorch), GPU acceleration
  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. Parallel Computing: Understand parallel algorithms, distributed systems, GPU-accelerated computing

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