Mathematics
In 5 hours, a machine makes 45 screws. In 12 hours, the same machine will make:
36 screws
90 screws
72 screws
108 screws
Direct & Inverse Variations
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Answer
Let the machine make x screws.
| Hours | Screws |
|---|---|
| 5 | 45 |
| 12 | x |
Since it is a case of direct variation.
Hence, option 4 is the correct option.
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