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Question 14 and 15 Exercise 6.2 @math-11-kpk:sol:unit06
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$ =====Question 15===== In how many ways can $7$ people be arranged at a round table so that 2 particular... er? ====Solution==== Nurnber of ways in which $7$ people can be seated around a round table without any co... is $6 !$ Now, let us assume these two particular people ALWAYS sit together and let us consider them as one unit. Number of ways in which $6$ people can be arranged around a round table is $5!$ And
Question 5 & 6 Review Exercise 6 @math-11-kpk:sol:unit06
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n-1) !=(5-1) !=4 !=24$$ =====Question 6===== Six people including Faisal and Saima are to be seated at a ... ution==== The total number of ways sitting of six people around a circular table are: $$(n-1) !=(6-1) !=5 ... he total number of ways to give seat to these six people are: $$4 ! \cdot 2 !=48$$ Because the five people will permute by $(5-1) !$ and Faisal and Saima can per
Question 9 & 10 Exercise 4.3 @math-11-kpk:sol:unit04
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= The sum of Rs. $1000$ is distributed among four people so that each person after the first receives Rs.
Question 7 and 8 Exercise 6.3 @math-11-kpk:sol:unit06
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n. =====Question 7===== Consider a group of $20$ people. If everyone shakes hands with everyone else, how
Question 1 Review Exercise 6 @math-11-kpk:sol:unit06
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rue">(a): $768)$</collapse> vi. A committee of 4 people will be selected from 8 girls and 12 boys in a cl
Question 9 & 10 Review Exercise 6 @math-11-kpk:sol:unit06
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ing the total number of ways of sitting these $n$ people in which two men want to sit together are: $$(n-2
Question 1 Review Exercise 7 @math-11-kpk:sol:unit07
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rue">(a): $768)$</collapse> vi. A committee of 4 people will be selected from 8 girls and 12 boys in a cl