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Two numbers `a ,b` are chosen from the set of integers 1, ,2 3, ..., 39. Then probability that he equation `7a-9b=0` is satisfied is `1//247` b. `2//247` c. `4//741` d. `5//741`

A

`(1)/(247)`

B

`(2)/(247)`

C

`(4)/(741)`

D

`(5)/(741)`

Text Solution

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The correct Answer is:
C
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