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Tiger Analytics interview experience Real time questions & tips from candidates to crack your interview

Tiger Analytics

4 rounds | 6 Coding
problems

Preparation

Duration: 2 months

Topics: Data Structures, Algorithms, Linear Algebra related Implementations in Python, Data Science Concepts, Probability, Statistics

Tip

Tip 1 : Be proficient in Python, be able to implement Matrix related Questions ( dot product, determinant, etc)

Tip 2 : Revise properly about the Probability distribution functions, Conditional Probability-based questions.

Tip 3 : In-depth understanding of ML Algorithms is needed. Should be proficient with the projects.

Application process

Where: Other

Eligibility: Above 1 years of experience

Resume tip

Tip 1 : Be confident about each skill and project you mentioned in the resume.

Tip 2 : Try to make a 1 page resume.

01

Round

Medium

Online Coding Interview

Duration90 minutes

Interview date6 Mar 2022

Coding problem1

In this round, 12 MCQ questions were given based on Data Science ( Confusion Matrix related calculations, Entropy, Probability, and Statistics). Each Question carried 10 marks. (Total - 120)

There were 2 coding questions ( Language Limitation - Python)

Medium Question - ( 40 pts)

Hard Question(60 pts)

View more

Problem approach

This is a range query problem. If you are good at Segment Trees, you can easily solve it.

I have used 3 functions.

i) Build Segment tree

ii) Update function

iii) Get Function

02

Round

Medium

Face to Face

Duration60 minutes

Interview date9 Mar 2022

Coding problem2

It was a Face to Face Interview Round where I have been asked questions on Python, Data Science Concepts, and Conditional probability.

There are a total of 100 coins. 99 fair coins and 1 unfair coin. What is the probability that in 10 flips all will be head given it is a fair coin?

Problem approach

Tip 1 : Think about Bayes' Theorem to solve the question.

Tip 2 : Frame the problem statement in terms of the Bayes Theorem equation and find out each probability term.

If a month is of 31 days, what is the probability of getting 5 Sundays in that month?

Problem approach

Tip 1 : Try to find the Logic. There are 4 weekdays so total of 28 days. So, the remaining combinations are of 3 days.

(Sat, Sun,Mon)

(Sun, Mon,Tue)

(Mon,Tue,Wed)

(Tue,Wed,Thr)

(Wed,Thr,Fri)

(Thrs,Fri,Sat)

(Fri,Sat,Sun)

So, 3/7 is the ans.

03

Round

Medium

Face to Face

Duration60 minutes

Interview date11 Mar 2022

Coding problem2

This round was also based on Probability and Statistics questions and Python Coding.

Problem approach

Solution 1 : I have used a simple loop firstly to check if a number is a power of 3 or not.

Solution 2 : I have used Log base 3 using the math library to find the answer.

In an interval of 10 minutes, the chances of seeing at least one plane are 15%. In the next 30 minutes, what is the probability of seeing at least one plane?

Problem approach

Tip 1: Think about Binomial Distribution to solve the question.

P(seeing a plane) = 0.15

P(seeing not a plane) = 0.75

So, n = 3 ( as it is 30 minutes)

Ans = At least one plane means finding P(0) = (0.75)**3

04

Round

Easy

HR Round

Duration30 minutes

Interview date11 Mar 2022

Coding problem1

In this round, I have been asked Why you want to switch, general Compensation discussions.

Why are you looking for a job change?

Problem approach

Tip : For an experienced professional seeking a change, this is a common question. The easiest method to respond to this question is to state that you are leaving your current work in order to advance your career. Make sure you don't criticize or speak poorly about the company where you now work.

Here's your problem of the day

Solving this problem will increase your chance to get selected in this company

What is the return type of a method that doesn't return any value?

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