Ibm Interview Questions
Practice the exact questions companies are asking right now.
"10 years of experience but never worked at a top company. PracHub's senior-level questions helped me break into FAANG at 35. Age is just a number."
"I was skeptical about the 'real questions' claim, so I put it to the test. I searched for the exact question I got grilled on at my last Meta onsite... and it was right there. Word for word."
"Got a Google recruiter call on Monday, interview on Friday. Crammed PracHub for 4 days. Passed every round. This platform is a miracle worker."
"I've used LC, Glassdoor, and random Discords. Nothing comes close to the accuracy here. The questions are actually current — that's what got me. Felt like I had a cheat sheet during the interview."
"The solution quality is insane. It covers approach, edge cases, time complexity, follow-ups. Nothing else comes close."
"Legit the only resource you need. TC went from 180k -> 350k. Just memorize the top 50 for your target company and you're golden."
"PracHub Premium for one month cost me the price of two coffees a week. It landed me a $280K+ starting offer."
"Literally just signed a $600k offer. I only had 2 weeks to prep, so I focused entirely on the company-tagged lists here. If you're targeting L5+, don't overthink it."
"Coaches and bootcamp prep courses cost around $200-300 but PracHub Premium is actually less than a Netflix subscription. And it landed me a $178K offer."
"I honestly don't know how you guys gather so many real interview questions. It's almost scary. I walked into my Amazon loop and recognized 3 out of 4 problems from your database."
"Discovered PracHub 10 days before my interview. By day 5, I stopped being nervous. By interview day, I was actually excited to show what I knew."
"I recently cleared Uber interviews (strong hire in the design round) and all the questions were present in prachub."
"The search is what sold me. I typed in a really niche DP problem I got asked last year and it actually came up, full breakdown and everything. These guys are clearly updating it constantly."
Design a lead-scoring model
Context You are interviewing for a Data Scientist role on a marketing/growth team. The business wants lead scoring: ranking or scoring incoming leads ...
Reverse last two characters with space
Problem Given a non-empty string s with length at least 2, output a new string consisting of the last two characters of s in reverse order, separated ...
Estimate free-trial conversion probability
Context A product offers a free trial. You are asked: “What is the probability of conversion for a group of people who started a free trial?” Data (as...
Compute minimum rooms for meeting schedule
Problem You are given a list of meetings, where each meeting is represented as a pair of integers [start, end] (with start < end) indicating the meeti...
Maximize palindromic strings after character swaps
You are given an integer n and an array of n lowercase strings arr. Operation (can be performed any number of times): choose two different strings arr...
Compute shared free time intervals
You are given schedules for multiple employees. schedules[i] is a list of busy intervals for employee i, where each interval is half-open [start, end)...
Write SQL to compute max and min marks
Tables marks | column | type | notes | |---|---|---| | student_id | INT | primary key | | marks | INT | not null | Task Write a SQL query that returns...
Find minimum subarray length with k distinct integers
Given an integer array arr and an integer k, find the minimum length of a contiguous subarray that contains exactly k distinct integer values. Return ...
Find minimum operations to make array sorted
Problem You are given an integer array a of length n. Define one operation as follows: 1. Remove the first element x = a[0]. 2. Append x to the end of...
Discuss open-source contributions
Behavioral Prompt: Open‑Source Contributions Context Software Engineer — Take‑home Project (Behavioral & Leadership). The goal is to understand your r...
Implement valid 1-D convolution
Implement a 'valid' 1‑D convolution function: given an input array of numbers, a kernel array of numbers, and a scalar bias, compute outputs only wher...
How would you use generative AI at work?
What are your thoughts on using generative AI tools at work? Describe: - Where you would use them to improve productivity/quality - Where you would av...
How do you detect and fix multicollinearity?
In a regression-style model (e.g., linear regression or logistic regression) you suspect multicollinearity among features. 1) What is multicollinearit...
Describe open-source contribution experience
Open-Source Contributions — Behavioral Question Context You are interviewing for a Software Engineer role in a behavioral and leadership-oriented roun...
Explain CI/CD, Kubernetes delivery, and troubleshooting
You are interviewing for a DevOps/SRE-style role. Answer the following practical questions: 1) What is CI/CD? Which CI/CD tools have you used and why?...
Implement valid 1D convolution with bias
Implement a 'valid' 1D convolution (no padding, stride = 1) over a numeric input array using a given kernel and scalar bias. Do not reverse the kernel...
Design multithreaded CPU convolution
Multithreaded CPU Design for Valid 1‑D Convolution Assume valid 1‑D convolution produces output y of length M = N − K + 1 from input x (length N) and ...
Design multithreaded 1D convolution strategies
Optimize CPU Multithreaded 1D "Valid" Convolution Context You are given a 1D input array x of length N and a kernel h of length K. The "valid" convolu...
Describe building statistical vs ML models
You’re interviewing for a Data Scientist internship on a marketing analytics team. Tell a story about a project where you built (a) a statistical mode...
Design a lead scoring model for marketing
You are on a marketing data science team building a lead scoring system. Context: - Each “lead” (user or account) arrives through marketing channels (...