# Consulting Math Chart-based Math Drills

## Chart-based Math Drills Question

This is a sample of a practice chart-based math drills. You might want to go back to thefor more in-depth information on improving your quantitative capabilities for the and Case Interviews!

### Population and Income in Canada

Based on a McKinsey & Company research

A McKinsey & Company research on the trend of urban population and income by different city types in Canada was conducted in 2010. Both the extracted and projected data are shown in Exhibit 1 below.

## Exhibit 1

Population and Income data by different city types, 2000 – 2010, 2030 projected

*Note: The information provided for each city type is from 2010

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Chart-based Math Drills Question​

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Question 1.1: It is projected that between 2010 and 2030, the total national urban population will increase by 5% and advanced cities will contribute 21% of the total urban population in 2030.

What portion (in %) of the increase in urban population in advanced cities from 2010 to 2030 is caused by the overall national urban population growth (as opposed to the gaining population of other city types)?

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Question 1.2: What is the appropriate ranking (from high to low) of the urban population density of each type of city? (Population density of each type of city is represented by the average urban population of each city).

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Question 1.3: Given that GDP of Canada in 2010 was approximately \$1,500 billion, 85% of which was urban GDP. Calculate the total annual income from the “poor” category of this country in 2010.

The average score is 14%

0%

### Chart Drills

(30 Chart Drills)
\$ 39
• 30 Full chart problems
• Full keys and detailed explanations.

## Comprehensive Math Drills (All Math Questions & Cases)

This practice package contains the following:

• 30 chart problems
• 50 full-context cases
• 300 short math questions
• Over 1000 raw number calculations
• 10 Quantitative Cases

All complete with full keys and explanations