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Arrange the four graphs in descending order of total work done; where W 1 , W 2 , W 3 and W 4 are the work done corresponding to figure a, b, c and d respectively.

1. W 3 > W 2 > W 1 > W 4
2. W 3 > W 2 > W 4 > W 1
3. W 2 > W 3 > W 4 > W 1
4. W 2 > W 3 > W 1 > W 4

Correct answer: W 3 > W 2 > W 1 > W 4

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