# FREE Korn Ferry Numerical Reasoning Question and Answers

#### If everyone moved from basketball to football, what would be the percentage drop in Mounthill High's income from extracurricular sports?

Explanation:

Before Football: $10 x 32 = $320

Basketball: $12.50 x 15 = $187.50

Swimming: $20 x 23 = $460 Total = $967.50

After Football: $10 x (32 + 15) = $470

Swimming: $20 x 23 = $460

Total = $930

Percentage Decrease = ((967.50 – 930) / 967.50) x 100 = 3.88%

#### The graph displays the weekly time spent on four different social networking sites. Which platform has the most range of weekly hours used across the four age groups?

Explanation:

Calculate the range (biggest – smallest) for each platform.

Facenote: 23.5 – 15.8 = 7.7 Blipchat: 14.5 – 1.2 = 13.3

Quickgram: 16.8 – 10.2 = 6.6

Flutter: 19.2 – 2.1 = 17.1

#### The graph displays the weekly time spent on four different social networking sites. How many hours on Flutter did people age 36 to 50 spend?

Explanation:

Step 1: Calculate the total hours spent on Flutter for all age groups.

8.4 + 19.2 + 11.4 + 2.1 = 41.1

Step 2: Calculate 11.4 as a percentage of

41.1 (11.4 / 41.1) x 100 = 27.7%

#### The graph displays the weekly time spent on four different social networking sites. How much time does each age group spend on Quickgram annually?

Explanation:

Step 1: Calculate the total hours spent on Quickgram for all age groups per year.

12.8 + 16.8 + 12.4 + 10.2 = 52.20 Hours per Week 52.20 x 52 = 2,714.4 hours per year
Step 2: Convert 2,714.4 hours to Days, Hours, and Minutes.

2714.4 / 24 = 113.1 Days 113 x 24 = 2712 2714.4 – 2712 = 2.4 Hours 0.4 x 60 = 24 Minutes 113 Days, 2 Hours, and 24 Minutes

#### What is the typical weekly expense for extracurricular activities?

Explanation:

$32 + $10 + $12.50 + $38 + $25 + $20 = $137.50

$137.50 / 6 = $22.92

#### Mounthill High makes the decision to raise the cost of sports by 15%. What is the extracurricular's new average weekly cost?

Explanation:

Football + Basketball + Swimming = $10 + $12.50 + $20 = $42.50 $42.50 x 1.15 = $48.875

Piano + Violin + Debating + Sports = $32 + $38 + $25 + $48.875 = $143.875 $143.875 / 6 = $23.98

#### The graph displays the weekly time spent on four different social networking sites. How much time does the 18-35 age group spend on each of the four platforms on average?

Explanation:

Step 1: Determine how many hours on average people in the 18 to 35 age range spend on the four platforms. 16.5 + 14.5 + 16.8 + 19.2 = 67 67 / 4 = 16.75

The second step is to convert 16.75 hours to hours and minutes. 45 minutes from 0.7 x 60. 15 minutes and 16 seconds