Goldman Sachs Interview Experience 2019

Qualcomm Interview Experience ( On-Campus Drive)

CAT 2019 Preparation Strategy : How to Ace the CAT Exam in 4 Months

Preparation Strategy for CAT 2019

Failing to prepare is preparing to fail

And this is especially true in the case of the CAT exam as only meticulous preparation will yield successful results. So let’s focus on the preparation strategy to follow for CAT 2019.

1. Understand the CAT exam pattern

The first step in starting your CAT preparation is understanding the exam pattern. Some basic points that make this clear are as follows:

The CAT exam is a computer-based test with a total duration of 3 hours.
It has three sections i.e. Quantitative Ability (QA), Verbal Ability & Reading Comprehension (VARC), as well as Data Interpretation & Logical Reasoning (DILR) and each of these sections, are for a duration of 1 hour each. You cannot switch between these sections while attempting the exam.
The number of questions asked in QA and VARC are 34 while in DILR are 32. Consequently, the maximum number of marks for QA and VARC are 102 while for DILR is 96.
Each correct answer results in awarding of +3 marks and each incorrect answer results in -1 marks.

2. Understand your strengths and weaknesses

After understanding the basic pattern of the CAT exam, it is best to start your preparation by taking a full-length mock-test to understand your strengths and weaknesses at the beginning itself. This test will provide a general idea of what to focus on and even help you in creating a customized study schedule. This will mean that you can give as much focus as needed to both your strengths and weaknesses so that you can perform at your best for the actual CAT exam.

3. Make a strict study schedule

Now that you know the basic pattern of the CAT exam, you need to create a strict study schedule for the 4 months ahead till CAT 2019. A sample study schedule is provided below but you may create your own according to your strengths and weaknesses.

Month 1 and Month 2
After understanding the exam pattern and syllabus for CAT, it is important to start studying the theory and relevant formulas for all the topics. In Month 1 and Month 2, focus on learning all the topics by relentless practice. This can be done by first understanding and practicing a topic and then giving sectional mock tests based on it. These mock tests will help you understand your weak areas in the topic so that you can improve upon them. Also, create a formula list so that you can refer to all the important formulas in one place whenever needed.
Month 3
You should be familiar with all the CAT topics by month 3. So in this month, start preparing for the entirety of the CAT exam by solving as many full-length mock tests as possible. After completing the mock tests, analyze the questions you have solved and revisit that topics that are your weak areas until you strengthen them. Also, try to reduce the time spent solving questions by using various shortcuts and tricks. In essence, you should use the 3rd month in your CAT preparation to fine-tune your strengths and remove as many of your weaknesses as possible.
Month 4
In the last month before CAT, continue solving the full-length mock tests as well as previous year CAT papers as far back as at least 10 years. These will provide you with a good idea of what to expect in the actual exam. Also, read the formula list you created earlier at least once every day so that you thoroughly memorize all the formulae. However, don’t try to learn anything new this month as that will be detrimental rather than beneficial. Just continue practicing and improve your time and accuracy as much as possible before the exam.

4. Decide your CAT solving strategy in advance

It is important to have a strategy for solving the CAT exam so that you can score the maximum marks in spite of the pressure. After giving multiple mock tests during the CAT preparation, you can create a final strategy which fits your style. However, for general reference, a common strategy is attempting the exam in rounds. In the first round, you should attempt to answer the short questions that you are totally sure of and after that, the slightly lengthy questions. Also, attempt all the non-MCQ’s as they don’t have any negative marking but don’t try and attempt any MCQ’s you are unsure about as that will definitely harm your chances.

How to Implement this Preparation Strategy

The above preparation strategy can be utilized to prepare for the intricacies of the CAT exam and eventually ace it! To implement it even more efficiently, GeeksforGeeks brings you the CAT Preparation Course 2019. This is a FREE course comprising of over 1500 questions on all three sections of the CAT exam that will provide more than adequate support for your CAT preparation. To learn more about it, read on…

Course Overview

CAT Preparation Course 2019 is an online course that will help you get ready for India’s most coveted entrance exam for management. CAT has three sections namely Quantitative Ability (QA), Verbal Ability and Reading Comprehension (VARC) and Data Interpretation and Logical Reasoning (DILR). The CAT Preparation Course 2019 will help you prepare for each of these sections individually and with nearly 2.5 lakh aspirants appearing for CAT in 2019, it will definitely provide an edge to your preparation strategy.

CAT Preparation Course 2019 will help the CAT aspirants track and improve the preparation through questions of various difficulty levels. There will be 3 full-length mock tests covering the whole syllabus of CAT. Tracks will cover the theory and quizzes related to all the topics while the Sectional Contests will have time-bound questions on those topics. The explanations for all the questions will be provided at the end of each quiz and tests. There will be 27 Sectional Mock Tests and 3 full-length Contests.

You are just a click away to begin your CAT preparation journey. Register now for the CAT Preparation Course 2019 course by clicking on the button below.

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Hike Interview Experience | Set 7(For SDE iOS) | 2+ Years Experience

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I have recently attend Hike Hiring Drive for iOS Developer in Delhi office. Candidates are 0-2, 2-4 and 4+ years of experience . I have got referral from recruiter on LinkedIn .

Round 1: Mobile App – (1:30 hour ) They have provided Flickr Api, task is build iOS App that fetch images using search bar input and display the images . Make sure UI should not blocked, mulitple request handling while user typing, code structure, pagination and readability and image caching is plus if you have implemented .

I have build the app in 50 minutes – Link to see https://github.com/Vasu05/Hike-Messenger-Hiring-iOS-Test

After the completion of app, My App is reveiwed by iOS manager .He was cool and friendly .He asked model structure I’ve followed, there is crash in my app, asked me debug and I did , told him the crash reason . He asked about GCD , asked for code optimization .He asked how to detect if user scrolled bottom of page . He inspect the app thoroughly, he was typing, cancelling, clearing data to see behaivour of app. He was impressed since I’ve build all the major features with code optimization . Then we have discussion on current projects I’m into, what I have built in past .This reveiw round was around for 1:20 hr . He asked me to have a lunch and wait for second round .

Round 2: DS Algo (30 min) –

Find two elements with sum equal to value x in Array.I did it using hashmap .
Is Tree is BST or Not.
LRU Implementation
Discussion on threads handling in iOS

Proper code was required, they have given enough time to think and asked for better approach . I code all three on board with explanation . Interviewer was impressed, asked me wait for another round .

Round 3: This round was supposed to taken by Vice President of company but he was busy with another candidates so another lead come and asked me for another round . He asked two questions

Detect loop in linkedlist and remove the loop.
get merging point of two linkedlist.

Meanwhile I was writing code for second questions on paper, he said he was done with interview and asked me to meet VP for further round .

Round 4 : This round taken by VP of company . He gaves introduction, what he did, what they are focusing on and talk about how they are different from another messaging apps in market . He asked me whether you prefer pen and paper or writing on screen, then he asked me come to board, it was samsung TV where i supposed to write code with pen . He asked –

Infinite stream of words you have to tell k most occuring words . I told him approach with heap and trie, he asked me use another data structure for searching, i gave him ternary tree apporoach still he was expecting better and gave me hint to use map then gave solution using heap and hashmap . He asked me to code .
check wether binary tree is min heap or not . He left the room and asked me think optimise solution . He comes after 30 minutes break in between i’ve written properties of binary tree and heap then write code for checking tree is min heap or not .He was satisfied .
He gave me design question – he asked me build sticker search option while user is typing . I told him about memory caching he asked me what all typing of caching we can used . I told him there is App cache maintain by app, disk memory and network memory . I have made diagram how search query will work step by step . Then we have discussion on multiple characters handling when user typing, I said we can use timer to process new request . Then he asked me main thread should not be blocked while user interacting with screen . I told him to use GCD’s and we have long discussion on this . He was satisfied, it was long round, he was helping me when I’m stuck . Then we discussed about company culture, whether he still code, how he started with Hike messenger . He asked me to wait for another round .
There are many another questions which I’m not remember .

This round goes for 1:40 hour .

After All this i was very exhaused since I have given all question correctly this continous evaluation was starts from 10:30 in morning .

It was around 5:30 when they scheduled another round of interview .

Round 5: Interviewer scanned my resume, aksed me for brief introduction.I explained him my current company projects and college projects. He was senior backened developer . He starts asking me Java questions . I told him I was not able in touch with since 1.5 years still he asked.

write code for 1 writer and n reader problem . I told him we can use locks (mutes and semaphore) and gave him solution .
He asked virtual pointers – I told him I don’t remember .
Stack vs Heap Memory . I gave him explanation with example .
Singleton class, why we are using this . He was not satisfied with explaination .
He asked basic java questions like what public, private, why there is single main function in Java .

After all this recruiter asked me to leave and next day they said last round was not as per expectation . I’m not selected. Tips – prepare your interview like college placement, they can aks anything even if its not related to your hiring post .

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