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While dialing a telephone number, an old...

While dialing a telephone number, an old man forgets its last two digit. If the last two digits are distinct, then the probability that a man dials true number is ......

A

`(1)/(45)`

B

`(1)/(90)`

C

`(1)/(100)`

D

`(1)/(2)`

Text Solution

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The correct Answer is:
B
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