Published by:
CGP EDU Academic Team
Published on: August 13, 2026
Dialing a telephone number an old man forgets the last two digits remembering only that these are different dialled at random. The probability that the number is dialled correctly, is
A
B
C
D
None of these
Text Solution
Verified by ExpertsThe correct answer is:
B
There are 10 digits 
The last two digits can be dialled in 
ways, out of which only one way is favourable, thus the required probability 
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