# 3i Infotech Papers: Sample Questions 1 - 3 of 1245

Examrace Placement Series prepares you for the toughest placement exams to top companies.

## Question number: 1

» Aptitude

### Write in Short

A student gets 70 % in one subject, 80 % in the other. To get an overall of 75 % how much should get in third subject?

### Explanation

A student is getting 70 % score in one subject and 80 % score in second subject.

If the average of all three subjects is 75 % then we are asked to find the marks scored by student in third subject.

Let the marks scored by student in third subject is x%.

So, in percentage score of student is .

## Question number: 2

### Write in Short

What is the Hexadecimal equivalent of 3452?

### Explanation

Hexadecimal system = base 16

Decimal system = base 10

Here, we are given decimal number 3452. We are asked to find the hexadecimal number of it.

To convert any decimal number into base-n number, we need to divide that number by n.

Dividing 3452 by 16, quotient will be 215 and remainder will be 12, i. e. C

Dividing 215 by 16, quotient will be 13 and remainder will be 7

Diving 13 by 16, quotient will be 0 and remainder will be 13, i. e. D

Reversing the order of remainders we will get the equivalent number of decimal number 3452, which will be D7C.

## Question number: 3

» Aptitude

### Write in Short

A man ate 100 bananas in five days, each day eating 6 more than the previous day. How many bananas did he eat on the first day?

### Explanation

Man ate 100 bananas in five days.

Each day man is eating 6 more than the previous day.

Let’s say, man is eating x bananas on the first day.

So, on second day, he will eat bananas.

On third day, he will eat bananas.

On fourth day, he will eat bananas.

On fifth day, he will eat bananas.

So,

So, man ate 8 bananas on the first day.