# Apples

Numerical reasoning
Linear systems
Public

Numerical reasoning

**The testing process:** Choosing the right answer for multiple choice questions.

**Motivation:** The majority of today's office-based jobs require an understanding of numerical information (numbers, tables, charts) and the ability to rationalize them.

Linear systems

**The testing process:** Solving linear equations to calculate the answer to a question.

**Motivation:** The data-analysis process often comes down to solving a simple linear equation in order to get desired information.

Public

*Public questions*(free plan) are common interview questions. They are great for practicing, or if you want to filter candidates using the classic problems.

John ate half of the apples he had. After that he gave 2 apples to his sister Mary, which left him with only 3 apples.

How many apples did John have before all that?