If there are four numbers such that average of A and B is 29, average of B and C is 34 and average of C and D is 50, then what will be the average of A and D?

If there are four numbers such that average of A and B is 29, average of B and C is 34 and average of C and D is 50, then what will be the average of A and D?
1). 34
2). 35
3). 44
4). 45

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