Technical lead Interview Questions

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Standard Bank Group
Product Control Lead was asked...22 April 2015

What is the angle between the hands when it is quarter past 3

23 Answers

7.5 degrees

7.5 degrees. The hour hand would have moved past 3 in order for it to be 3:15.

Time for me to go

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Pinkberry

room, desk and car which do you clean first

22 Answers

What makes you think any of the three are not clean already?

Are these things mine or someone else?

My reply to the interviewer would be: It depends on where I am spending the most of my time and which would have the greatest visibility to visitors or customers. If we are talking about work desk, then that gets cleaned first. If it is simply a home office desk versus the living room, the living room gets it first. If I use the car to often transport customers, then that gets my attention first. I want to try to make sure first impressions are good ones. Less

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Capstone Logistics

Can you pass a drug test?

16 Answers

It's a urinalysis which isn't very accurate. I know of people who smoke that got in.. which an associate who comes to work high makes me uncomfortable.. have a cool accident then what Less

Yes

Yes

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EPAM Systems

Coding test: 1. Given a string, find out if there's repeat characters in it. 2. SQL. Given a Customer table and a Payment table (with Customer ID as primary and foreign key), write a query to output a list of customers who have not paid their bills in the last 3 months.

15 Answers

Did well on the first Java coding test. Solution using Hashset. Not so well on the SQL query. Able to give a query, but a few errors in it I am sure. Also there was a second questions regarding the SQL query, which we didn't have time to get to. So that was another bad thing. I am pretty sure I did not pass. But good learning experience. Less

import java.util.*; public class test { public static void main(String[] args) { String str = "abdc"; char[] arr = str.toCharArray(); HashSet set = new HashSet(); for (char i : arr ) { set.add(i); } if((set.size()) == (arr.length)) System.out.println("unique character"); else System.out.println("repetition"); } } Less

No

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Apple

If you're given a jar with a mix of fair and unfair coins, and you pull one out and flip it 3 times, and get the specific sequence heads heads tails, what are the chances that you pulled out a fair or an unfair coin?

11 Answers

"If you don't know how unfair the coins are then you have to compare fair vs. not fair. A fair coin Pf = 1/2 probability of heads or tails and therefore has a 1/(2^3) = 1/8 probability of going HHT. An unfair coin has a probability P*P*(1-P) = 2*(P^2) - (P^3) of going HHT. Integrating across P from 0 to 1, you also get 1/8. Therefore, whether the coin was biased or not, you had an even chance when you got HHT that the coin was fair or not fair (50%). However, if you were to know the distribution of the coins in the jar between fair and not fair, you would be able to estimate the probability the coin was fair based on that distribution." For this above comment: Isn't P*P(1-P) = P^2-P^3? The integral of that should be (1/3)(x^3) - (1/4)(x^4). If you integrate over 0 to 1 you would get a probability of 1/12. How are you justifying HHT to be P*P*(1-P) for an unfair coin that goes HHT - could you explain? If 1/12 is correct, I assume you have 60% probability of pulling a fair coin and a 40% probability of pulling an unfair coin? Less

An unfair coin is weighted (biased) towards one of the sides (head or tails). Since we don't know how many coins are unfair, or whether they are bias towards heads or tails, we cannot decide the probability more closely, than 50/50. Either we did, or did not pull out a fair coin. Less

I agree with Kevin. Both and unfair and a fair coin could have the given results in only three trials. The only way to tell if that specific coin is fair or unfair is by conducting more trials. And, since we don't know how many fair or unfair coins there are in the jar, we can only say that the coin is one or the other. If this is a trick question based on wording, you could say that there's a 100% chance that the coin is either fair or unfair. Less

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IBM

What are your weekensses?

8 Answers

I am very talkative and a poor listener.

My only weakness is I try to do things genuinely and with perfection, which sometimes creates a problem because it takes Time to do things with perfection. I prefer quality over quantity. Less

Perfection over imperfections and quality over quantity are curable weaknesses. Getting the process right and replicating to perfection consistently is a weakness too. Less

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ElasticRun

They wanted to know if I was familiar with the entire procurement process and if I could bring more systematic procedure to their procurement process.

7 Answers

Meet online meetings code for the information

Good learn and devlop every challenge and fect

Learn to all process that's improv to our work

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Alliance Global Tech
Tech Lead was asked...3 September 2021

What you can put on the table?

7 Answers

am an excellent listener, which allows me to show concern and empathy for clients. have proven a strong ability to articulate a clear message, which is helpful in trying to help students understand challenging topics. I am highly organized, which helps me keep neat files and manage time well, which is important in a job where people count on you to coordinate many activities in a busy office. Less

Responsibility and all my legal experience.

Responsibility and all my legal experience.

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ABB

why you want to join here?

6 Answers

For a better growth prospectus

New joined

For good carrer...

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Sephora

Do you feel your child will affect your ability to work ?

5 Answers

Illegal question!!!!

Yes they are in fact allowed! It's no illegal in the least. If it were a disability you have, that might be illegal. But if you have a child or are in college, they ABSOLUTELY have a right to ask if it might interfere with work. Less

nless you volunteered that you have a child, it is absolutely illegal to ask if you have children. Referencing "HR World" What you can't ask: Do you have or plan to have children? Clearly, the concern here is that family obligations will get in the way of work hours. Instead of asking about or making assumptions on family situations, get to the root of the issue by asking directly about the candidate's availability. What to ask instead: Are you available to work overtime on occasion? Can you travel? Less

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