Published by:
CGP EDU Academic Team
Published on: August 13, 2026
The number of positive integral solutions of the equation 
is 
, when 
. Then, 
is equal to
Text Solution
Verified by ExpertsThe correct answer is:
B
We can assign 2,3 or 7 to any of 5 variables 
and 
.
We can assign 
to just one variable in 5 ways or can assign 
to two variables in 
ways, then 5 can be assigned in 
ways
Hence, required solutions 
Now, according to the question, we get
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