The table shows employees in four colleges A to D, split into males, females, teaching and non-teaching. Dashes are missing values to be calculated if required.
| College | Employees | Males | Females | Teaching Males | Teaching Females | Non-teaching Males | Non-teaching Females |
|---|---|---|---|---|---|---|---|
| A | 756 | 526 | — | 325 | — | — | — |
| B | — | — | — | — | 159 | 215 | 254 |
| C | — | 159 | — | — | — | — | — |
| D | 224 | 142 | 82 | — | — | — | — |
The number of teaching males in College D is 46. If 124 males from College A, of whom 62 are non-teaching, are transferred to College D, then the new number of non-teaching males in College D is
A124
B62
C158 ✓ Correct
D166
Correct answer: (C) 158
Explanation
The new number of non-teaching males in College D is 158, so the answer is 158.
College D has 142 males, of whom 46 are teaching males.
So its non-teaching males are 142 minus 46, which is 96.
Of the 124 males transferred from College A, 62 are non-teaching.
These 62 add to the existing non-teaching males in College D.
So the new total is 96 plus 62.
That equals 158.
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