The following table shows the number of new employees added to different categories of employees in a university and also the number of employees from these categories who left the university every year:
| Year | Professor | Assistant Professor | Associate Professor | Peon | ||||
|---|---|---|---|---|---|---|---|---|
| New | Left | New | Left | New | Left | New | Left | |
| 2018 | 80 | - | 100 | - | 90 | - | 60 | - |
| 2019 | 100 | 60 | 150 | 40 | 110 | 30 | 80 | 10 |
| 2020 | 150 | 40 | 160 | 30 | 140 | 40 | 70 | 20 |
| 2021 | 180 | 60 | 200 | 50 | 190 | 50 | 80 | 30 |
| 2022 | 200 | 80 | 220 | 60 | 220 | 60 | 90 | 40 |
What is the difference between the total number of professors added to the university and the total number of associate professors added to the university during the years 2019 to 2022?
Correct Answer :
30
Solution :
The correct answer is 30.
Let's break down the step-by-step solution to find the difference between the total number of professors added and the total number of associate professors added during the years 2019 to 2022.
Step 1: Calculate the total number of new professors added from 2019 to 2022
From the given table, the number of new professors added each year is:
Step 2: Calculate the total number of new associate professors added from 2019 to 2022
From the given table, the number of new associate professors added each year is:
Step 3: Calculate the difference between the two totals
Now, subtract the total number of professors added from the total number of associate professors added:
Therefore, the difference between the total number of professors added and the total number of associate professors added during 2019 to 2022 is 30.
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