Distressed PVR owners will open theater for public from the month of December. However, the government mandates that strict norms of social distancing are observed and no two people can take adjacent seats. Further erring on the side of caution, the owners decide to seat four people in a row which contains 15 seats. Find the total number of ways in which four seats can be selected out of 15 such that no two selections are consecutive.
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Answered by
1
Answer:
495
Step-by-step explanation:
Use integral equation
x1+x2+x3+x4+x5=11 ; x5,x1>-1 x2,x3,x4>0
Using mapping method,
Get the answer as 12C4
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