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Grab (India) Intern Interview Questions and Answers
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Anonymous
I appeared for an interview in Aug 2016.
Interview Questionnaire
3 Questions
- Q1. To reverse Linked List in pair of three.
- Ans.
Reverse a linked list in pairs of three.
Create a function that takes the head of the linked list as input.
Traverse the linked list in pairs of three and reverse each pair.
Update the head of the linked list to the new head after reversing each pair.
Return the new head of the linked list.
- Q2. Search a number in sorted rotated array.
- Ans.
Search a number in sorted rotated array.
Use binary search to find the pivot point where the array is rotated
Determine which half of the array the target number may be in
Perform binary search on the appropriate half of the array to find the target number
- Q3. A dynamic programming question was there to find a path in matrix.
Interview Preparation Tips
Experience: Interviewer mainly focused on problem solving skill.
Skills: Algorithm
College Name: KIIT University
Skills evaluated in this interview
Himani Anand1
Interview Questionnaire
1 Question
- Q1. Binary Tree concepts
Interview Preparation Tips
Experience:
Tips:
Duration: 120 minutes
Total Questions: 22
Round: Technical Interview
Experience:
Tips:
General Tips:
Skill Tips:
Skills: Algorithmic Approach To Problem Solving, Data Structures, Core Courses Concepts
College Name: IIM Lucknow
I applied via Walk-in and was interviewed before Jun 2021. There were 2 interview rounds.
Public vs Govt sector
Interview Preparation Tips
I applied via Job Fair and was interviewed before Feb 2021. There were 2 interview rounds.
Can't Disclose
Interview Preparation Tips
Try to solve DSA problems.
I applied via Campus Placement and was interviewed before Apr 2020. There were 3 interview rounds.
Interview Questionnaire
2 Questions
- Q1. Given a sorted array of integers, find the frequency of 2 in the array in log(n) time.
- Ans.
Find frequency of 2 in sorted array of integers in log(n) time.
Use binary search to find first and last occurrence of 2 in array.
Calculate frequency by subtracting last index from first index and adding 1.
Time complexity is O(log(n)).
- Q2. Given an array of numbers, for each index of the array, find the maximum frequency integer to the right of the array.
- Ans.
Find the maximum frequency integer to the right of each index in an array of numbers.
Create a frequency map of the array.
Iterate through the array and for each index, find the maximum frequency integer to the right using the frequency map.
If there are no integers to the right, return -1.
Interview Preparation Tips
2. Some interviewers ask for the projects but without data structures, there is no way to pass the interview.
3. Have a decent understanding of the programming language you code in.
Skills evaluated in this interview
I applied via Campus Placement and was interviewed before Apr 2021. There were 2 interview rounds.
There were many sections.
There was a debugging section where basic code debugging was asked in MCQ.
In coding section,a total of two questions were asked. First question was basic string based with easy difficulty level.
Next one was of sliding window with little variation , medium difficulty.
Lastly was a section with hr type of questions.
(1 Question)
- Q1. A question based on topological sort was asked
Interview Preparation Tips
Selected
I applied via Referral and was interviewed in Oct 2023. There were 2 interview rounds.
Sales pitch to resturant
(1 Question)
- Q1. Understanding about market
Selected
I applied via LinkedIn and was interviewed in May 2024. There were 2 interview rounds.
(1 Question)
- Q1. Why do you want to do sales?
(1 Question)
- Q1. Situational based question to close a sales deal
Selected
I applied via LinkedIn and was interviewed in Jul 2022. There were 3 interview rounds.
Ask to speak on e-commerce and timely delivery
(2 Questions)
- Q1. Asked questions based on my resume
- Q2. About the company and it’s growth
Interview Preparation Tips
Siddharth Palai
Selected
I applied via Campus Placement and was interviewed before Oct 2022. There were 2 interview rounds.
(2 Questions)
- Q1. Why do you want to join BB?
- Q2. A guesstimate about number of coffee shops in a city
- Ans.
It would depend on the size and population of the city, but typically there are around 1-2 coffee shops per 10,000 residents.
Consider the population size of the city - larger cities tend to have more coffee shops
Look at the density of commercial areas - more coffee shops are likely in busy downtown areas
Check for any popular coffee chains that may have multiple locations in the city
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