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A letter is known to have come either fr...

A letter is known to have come either from 'TATANAGAR' or 'CALCUTTA' . On the envelope. Just two consecutive letter TA are visible . The probability that the letters comes from 'TATA NAGAR' is

A

`(4)/(11)`

B

`(7)/(11)`

C

`(5)/(11)`

D

`(6)/(11)`

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The correct Answer is:
B
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