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ABCO

11 posts

ABCO – Advisory Board Company Recruitment Process

Last Updated: 15 December 2023

This article will give you information about the company, its recruitment process, sample questions that have been asked previously, lots of experiences shared by other as...read more

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Interview Experiences

Interview Preparation

Recruitment Process

Two Sum - Pair with given Sum

Last Updated: 30 June 2025

Given an array arr[] of n integers and a target value, check if there exists a pair whose sum equals the target. This is a variation of the 2Sum problem.Examples:Input: ar...read more

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Amazon-Question

CarWale-Question

K’th Smallest Element in Unsorted Array

Last Updated: 14 August 2024

Given an array arr[] of N distinct elements and a number K, where K is smaller than the size of the array. Find the K'th smallest element in the given array. Examples:Inpu...read more

Order-Statistics

K’th Smallest/Largest Element in Unsorted Array | Expected Linear Time

Last Updated: 24 March 2025

Given an array of distinct integers and an integerk, wherekis smaller than the array's size, the task is to find the k'th smallest element in the array.Examples:Input:arr ...read more

Order-Statistics

K’th Smallest/Largest Element in Unsorted Array | Worst case Linear Time

Last Updated: 10 May 2025

Given an array of distinct integers arr[] and an integer k. The task is to find the k-th smallest element in the array. For better understanding, k refers to the element t...read more

Order-Statistics

Abco Advisory Board Company | Set 1 (Internship + Full time Employee)

Last Updated: 28 June 2021

Started with 2 simple data structure programs and 30 aptitude questions; luckily cleared this round and qualified for the in-person interview. I was asked only data...read more

Interview Experiences

Abco Advisory Board Company | Set 2 (On-Campus)

Last Updated: 28 June 2021

Round 1:Technical aptitude 20 questions + 2 coding questions + 5 dbms queriesRound 2: Technical interview Given a mxn matrix with elements sorted along the rows as well...read more

Interview Experiences

Abco Advisory Board Company | Set 3 (On-Campus Intern + FTE)

Last Updated: 09 August 2021

1st round:-first round consisted of 20 MCQ questions,2 coding and 5 DBMS query questions.2nd round:-This was a written coding round.2 questions were asked.1.Design a stack...read more

Interview Experiences

Rotation Count in a Rotated Sorted array

Last Updated: 09 October 2024

Given an array arr[] having distinct numbers sorted in increasing order and the array has been right rotated (i.e, the last element will be cyclically shifted to the start...read more

Divide and Conquer

ABCO Interview Experience | Set 4

Last Updated: 25 June 2017

1st Round: Consisted of 20 questions out of which 15 were MCQ and 3 were DBMS queries and 2 were programming questions. Out of 260 people they shortlisted 13.2nd Round: ...read more

Interview Experiences

ABCO Interview Experience | Set 5

Last Updated: 19 July 2017

Round 115 Technical Aptitude (predominantly DS), 3 Queries, 2 Coding Question hosted in HackerRankRound 2 (F2F Technical Interview) Find the number of rotations in a rota...read more

Interview Experiences