Math Interview Questions [2026-2027]

You have N ranges where the i-th range is from low[i] to high[i]. You need to create an array brr of length N. However, brr[i] can only be any prime number...

Bob is a studious boy. He is very interested in solving difficult mathematical problems in no time. By seeing his talent, Bob\'s teacher gave him a problem and asked him...

You have N ranges where the i-th range is from low[i] to high[i]. You need to create an array brr of length N. However, brr[i] can only be any prime number...

Question1: Given 3 integers m,n,r, find the smallest positive integer \'a\' such that (ma)%n = r. e.g. m = 5, n = 3, r = 1 -> (52)%3 = 1, answer...

Given A & B find count of all num which falls between A & B(both inclusive), where num = x (x+1) A = 6 B = 20 Answer = 3 2 3 = 6 3...

Round 1(OA) - 2 leetcode hard medium(solved) 1 hard(13/15 testcases passed). Round 2(Interview)(didn't clear) - Q1 - You are given an integer array nums of size n and an integer x. Return the number o

Don't confuse this with TPP. Although it seems like a small company, they gave me an online assessment (OA) after I submitted. There were two questions: One was given a string, "12:35," and the output

**1st Round DSA Interview** **1. Water Jug Problem** Reference: LeetCode Question 365. **2. Maximum Elements Made Equal With k Updates** **Problem Statement:** Given an array `nums[]` and a value `k`,

Interview was for both Banglore and US profile.Round 1- Online Round 45 minPart 1-(15 min)6 objective questions and time is very less.1-In a leap year, probability to have...

Candidate Information:Status: Final year engineering student (Mechanical)Target Position: Systems Engineer Trainee (For Freshers)Year: 2018Overview of Interview Process:2 ...

Gone through Prop Tiger process for Java opening for Software Engineer.F2F round:Ques 1: Brief intro about Java projects. Pointed at some instances and asked Java question...

This was a pool campus opportunity so students of many colleges were eligible to apply for this company.The role offered Software EngineerLocation Vadodara, Gujrat.Aptitud...

Round 1 Online Assessment:E-litmus PH test 120min(you could find pattern online-difficulty level hard)Ph test consists of 3 sections Apti Reasoning English of CAT level.40...

Recently, on-campus drive was held for Codenation for Software Development Engineer Intern.The process was:1. Online Test2. Telephonic Interview3. Skype InterviewOnline te...

Round 1-Coding test:-(3 questions) based on parsing of a file and extracting some values from it. Round 2-(1 hour)Q1>Calculate no. of thursdays between two given dates.Day...

Students were shortlisted based on their resumes. [ Mainly on the basis of OS Projects ]Technical Round 11. Write the most efficient algorithm to find square/square root o...

LeetCode #223: Rectangle Area. Difficulty: Medium. Topics: Math, Geometry. Asked at Tesla in the last 6 months.

LeetCode #356: Line Reflection. Difficulty: Medium. Topics: Array, Hash Table, Math. Asked at Yandex in the last 6 months.

LeetCode #43: Multiply Strings. Difficulty: Medium. Topics: Math, String, Simulation. Asked at Two Sigma in the last 6 months.

LeetCode #593: Valid Square. Difficulty: Medium. Topics: Math, Geometry. Asked at Pure Storage in the last 6 months.

LeetCode #1404: Number of Steps to Reduce a Number in Binary Representation to One. Difficulty: Medium. Topics: String, Bit Manipulation, Simulation. Asked at General Motors in the last 6 months.

LeetCode #598: Range Addition II. Difficulty: Easy. Topics: Array, Math. Asked at IXL in the last 6 months.

LeetCode #412: Fizz Buzz. Difficulty: Easy. Topics: Math, String, Simulation. Asked at Mastercard in the last 6 months.

LeetCode #12: Integer to Roman. Difficulty: Medium. Topics: Hash Table, Math, String. Asked at UiPath in the last 6 months.

LeetCode #13: Roman to Integer. Difficulty: Easy. Topics: Hash Table, Math, String. Asked at Virtusa in the last 6 months.