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A drawing sheet changes when you draw a picture on it. Can you reverse this change?



A drawing sheet changes when you draw a picture on it. Can you reverse this change?


Grade:upto college level

2 Answers

Navjyot Kalra
askIITians Faculty 654 Points
8 years ago

If we draw a picture on a drawing sheet with a pencil, we can get back the original drawing sheet by erasing the drawing with an eraser. In this case, the change can be reversed.

However, if we draw with a pen, then the original drawing sheet cannot be obtained back because we cannot erase ink. Hence, in this case, the change cannot be reversed.

Adarsh
733 Points
6 years ago
yes we can get back by erasing the drawing.

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