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Eight chairs are numbered 1 to 8. Two wo...

Eight chairs are numbered 1 to 8. Two women and three men wish to occupy one chair each. First, the women choose the chairs from amongst the chairs marked 1 to 4, and then the men select th chairs from amongst the remaining. The number of possible arrangements is a.`^6C_3xx^4C_2` b. `^4P_2xx^4P_3` c. `^4C_2xx^4P_3` d. none of these

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To solve the problem, we need to determine the number of ways two women and three men can occupy chairs numbered 1 to 8, given the constraints on their selections. Here's a step-by-step breakdown: ### Step 1: Women Choose Chairs The two women can only choose from chairs numbered 1 to 4. We need to select 2 chairs from these 4 for the women. The number of ways to choose 2 chairs from 4 is given by the combination formula: \[ \text{Ways for women} = \binom{4}{2} ...
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CENGAGE ENGLISH-PERMUTATIONS AND COMBINATIONS-All Questions
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  2. If ^n Cr=84 ,and ^n C(r-1)=36 , and r = 1 , then find the value of ndo...

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  3. Eight chairs are numbered 1 to 8. Two women and three men wish to oc...

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  4. The value of expression .^47 C4+sum(j=1)^5.^(52-j)C3 is equal to a.....

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  5. The number of n digit numbers which consists of the digit 1 and 2 on...

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  6. If ^n C3+^n C4>^(n+1)C3 , then a. n >6 b. n >7 c. n<6 ...

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  7. The value of sum(r=0)^(n-1)^n Cr//(^n Cr+^n C(r+1)) equals a. n+1 ...

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  8. A bag contains four one-rupee coins, two twenty-five paisa coins, a...

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  9. There are four letters and four directed envelopes. The number of w...

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  10. Kanchan has 10 friends among whom two are married to each other. Sh...

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  11. Number of ways in which three numbers in A.P. can be selected from ...

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  12. The total number of positive integral solution of 15 < x1+x2+x3 lt= 20...

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  13. A train time table must be compiled for various days of the week, so t...

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  14. The streets of a city are arranged like the like the lines of a che...

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  15. A batsman scores exactly a century by hitting fours and sixes in 20...

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  16. In how many ways can 2t+1 identical balls be placed in three distinct ...

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  17. Sohan has x children by his first wife. Geeta has (x+1) children by he...

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  18. let a1,a2,...an be in A.P. wth common difference pi/6. if seca1seca2+s...

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  19. Six apples and six mangoes are to be distributed among ten boys so ...

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  20. Find the number of ways in which we can choose 3 squares on a chess...

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