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Business Intern interview questions shared by candidates

## Top Interview Questions

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### Imagine a cube 1x1x1, then imagine that you form a cube of 10x10x10 with all these little cubes of 1x1x1. How many cubes do you have to remove to get rid of the surface of cubes.

10*10*2 + 10*8*2 + 8*8*2

(10*10*10)-(8*8*8)

n^3 - x = (n-2)^3 x = n^3 - (n-2)^3 x = 6n^2 - 12n +8 if n = 10 then x = 488 surface cubes to remove Less

### I had one question for each interview and both were probability puzzles. Here is the tougher one: you have a bag of N strings, and at random, you pull out a end. You pull out another end and you tie the two ends together. You take another two string ends and tie them together. You repeat this until there are no loose ends left to pull out of the bag. What is the expected number of loops?

n loops

If N=strings and n=loops, then n is &lt; or = N.

If N= strings and n=loops, the range is 1&gt; n

### Most of them were basic questions. One was " Write down Java classes and methods that you required for a Transaction" "How do you convey a Technical banking transaction to a street man"

so what are the classes and methods required for a transaction?

how do you convey a technical banking transaction to a street man? Can someone answer this?! Less

I think every one knew it.

### what motivates you?

Hi, i was just wondering, did you have to take the online writing assessment? If so, how was that? what did they ask you? Your response will be really appreciated! thanks! Less

As for the online writing assessment, the one I had was not very difficult. The subject was sth like in e&amp;y you need to work with many other teams, what are your qualities to help this teamwork/cooperation? How these qualities will help your development in E&amp;Y? There was 45min for this essay in total Less

Personal goal

### The number of street lights in your hometown?

Do justify your calculations including the assumptions.

Hey can you help me with assumptions for these?

### Calcular o lucro do Nubank em uma situação fictícia apresentada.

A maior e mais importante lucro, no meu ponto de vista em 2020-2021 é a conquista de mais de 41 milhões de clientes em menos de 10 anos de operação. Vejo 41 milhões de oportunidades do NUBANK lucrar nas diversas prestações de serviços e nas vendas de produtos, investimentos, créditos e seguros. O cliente também acaba por lucrar usando o cartão NUBANK e os respectivos benefícios. Taxa SELIC, índice de Inflação, P.I.B, Balança comercial ,IOF, IR Mercado de ações em bolsa, Cripto Moedas, Mercado BitCoin etc e tal são soluções os operadores e colaboradores do NUBANK devem ter sempre em mãos e na mente. Less

"O rendimento da conta do Nubank é diário, enquanto que das poupanças são mensais. Ou seja, a partir do momento que você coloca o dinheiro na conta, você começa a receber os juros no Nubank. Numa poupança você terá que fechar um ciclo inteiro para receber o rendimento. E se precisar sacar antes disso, você não receberá o rendimento." Tudo isto baseado nos índices de referência de juros anuais e mensais (SELIC / POUPANÇA). Less

### Given the Death rates for 5 different customersegment groups. Which ones should we include in our portfolio to break-even? Graph our profits as we include additional groups

Yeahhhh...

do you have more details about set up of the 1st case?

### Tell me about a time when you worked in a team, but were not a team leader. How did you handle a conflict?

By listening to other people's opinions, taking them into consideration and justifying my point of view from both perspectives Less

I listening to all point of views from each team player, stated my own point. we put all thoughts together and had a great project. Less

### How do you deal with stressful situations or tasks while working?

Always give a positive turning point. i.e.: "I won't lie. I do get stressed but the adrenaline rush/anxiety makes me work more and get things done faster sometimes. " Less

I seek to clearly understand the challenges of any situation first and focus in and spend more time on finding and implementing the solution. Most situations are not really stressful, just challenging. Less