If A Task A needs to be started 10 days before TASK B is started, Which of the following relations are true?
1>They have Start to Start relationship, with 10 day lead on Task A
2>They have Start to Finish relationship with 10 day lag on Task B
3>They have Start to Start relationship, with 10 day lag on Task B
4>Both 1 and 3 are True
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