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A lady gives a dinner party for six guests.the number of ways in which they may be selected from among ten friends,if two of the friends will not attend the party together is
  • a)
    164
  • b)
    112
  • c)
    140
  • d)
    none of these
Correct answer is option 'C'. Can you explain this answer?
Most Upvoted Answer
A lady gives a dinner party for six guests.the number of ways in which...
First keep aside those two friends who doesn't want to come together and select 6 members from rest of 8 members.=8c2= 28
Now take one of those two and select 5 from the other 8 members=8c5=56
Now do the same with other one of the two friends =8c5=56
Now add all =(56×2) +28 =140
Community Answer
A lady gives a dinner party for six guests.the number of ways in which...
10C6 - 8C4 = 140
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A lady gives a dinner party for six guests.the number of ways in which they may be selected from among ten friends,if two of the friends will not attend the party together isa)164b)112c)140d)none of theseCorrect answer is option 'C'. Can you explain this answer?
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A lady gives a dinner party for six guests.the number of ways in which they may be selected from among ten friends,if two of the friends will not attend the party together isa)164b)112c)140d)none of theseCorrect answer is option 'C'. Can you explain this answer? for JEE 2025 is part of JEE preparation. The Question and answers have been prepared according to the JEE exam syllabus. Information about A lady gives a dinner party for six guests.the number of ways in which they may be selected from among ten friends,if two of the friends will not attend the party together isa)164b)112c)140d)none of theseCorrect answer is option 'C'. Can you explain this answer? covers all topics & solutions for JEE 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A lady gives a dinner party for six guests.the number of ways in which they may be selected from among ten friends,if two of the friends will not attend the party together isa)164b)112c)140d)none of theseCorrect answer is option 'C'. Can you explain this answer?.
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