BoccoPrep
Numerical reasoning · 6 questions in the exam

Charts

Bar, line, pie, stacked and less common charts read as tables in picture form. Charts is tested in the Numerical reasoning section of the Bocconi Test, which has 6 of the 50 questions (75 minutes in total, 2027/28 format). This guide covers it in 3 lessons, each with the rule that solves it and a diagram.

Bar and line charts

Read the legend and the axis unit, then turn the bars or points you need into numbers. The steepest segment of a line is the largest change between consecutive points; an axis that does not start at zero exaggerates differences.

RuleHighest point ≠ fastest rise

Pie, stacked and 100% charts

These charts show shares. A share can fall while the count behind it rises, because totals differ. In stacked bars a segment is top minus bottom; to combine groups, go back to counts.

Rule30% of 200 < 25% of 300

Scatter, waterfall and pyramid charts

In a scatter plot the direction of the points shows a correlation and an isolated point is an outlier; correlation is not cause. A waterfall adds changes to a starting value; a population pyramid shows age groups as shares.

Rule120 + 30 − 45 + 20 = 125

What is the Bocconi Test format?

Online Bocconi Test for admission in academic year 2027/28, as published by Università Bocconi.

Questions / time
50 / 75 minutes
Distribution
24 mathematics · 11 reading · 6 numerical reasoning · 9 critical thinking
Scoring
+1 correct · 0 blank · −0.2 wrong
Question languages
English · Italian
Three-option questions
Some critical thinking questions have three options; a wrong answer there costs −0.33
Minimum score
Below 17 points the test is not considered for selection
AI degree
Mathematical and Computing Sciences for Artificial Intelligence also needs at least 11 of 24 points in mathematics
Law test
A separate test, 50 questions / 75 minutes: 5 mathematics · 11 reading · 6 numerical reasoning · 18 logic and critical thinking · 10 verbal reasoning; same scoring

Source: Università Bocconi, Online Bocconi Test page (checked October 7, 2026)

Practise this topic

Take the free diagnostic to see where this topic sits against the other 47, then work through the question bank.

Start the free diagnostic

Back to the study guide