Published by:
CGP EDU Academic Team
Published on: August 23, 2026
From a month of 31 days, 3 different dates are selected at random. If the probability that these dates are in an increasing A.P. is equal to 
, where 
and 
, then 
is equal to 
.
Text Solution
Verified by ExpertsThe correct answer is:
944
(944) Total numbers of ways of selecting
3 numbers 
are in A.P.
⇒ either 
both odd numbers
or both even numbers
Probability 
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