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From a group of persons the number of wa...

From a group of persons the number of ways of selecting 5 persons is equal to that of 8 persons. No. of ways of selecting 2 persons is

A

78

B

92

C

89

D

41

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The correct Answer is:
A
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AAKASH SERIES-PERMUTATIONS & COMBINATIONS-EXERCISE-II
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  2. In a football championship there were played 153 matches. Every two te...

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  3. From a group of persons the number of ways of selecting 5 persons is e...

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  4. In a chess tournament where the participants were to play one game wit...

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  5. A teacher takes 3 children from her class to the zoo at a time as ofte...

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  6. From 0 to 9, four digited numbers can be formed such that the digits a...

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  7. The total number of 4 digit numbers in which the digits are in descend...

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  8. There are 12 balls numbered from 1 to 12. The number of ways in which ...

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  9. The number of ways in which we can select four numbers from 1 to 30 so...

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  10. The number of ways in which 4 vowels and 2 consonants be chosen from E...

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  11. The number of ways in which 5 players be chosen from 12 players so as ...

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  12. The number of ways in which a team of eleven players can be selected f...

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  13. Acommittee of 12 members is to formed from 9 women and 8 men ...

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  14. A cricket 11 is to be selected out of 14 players of whom 5 are ...

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  15. The number of ways an international committee of 4 be formed out of 6 ...

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  16. A student has to answer 10 out of 13 questions in an examinatio...

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  17. A box contains 2 white balls, 3 black balls and 4 red balls. The numbe...

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  18. 12 persons are to be arranged to a round table . If two particu...

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  19. The number of ways in which 7 pencils, 6 books and 5 pens be disposed ...

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  20. A double decker bus can accomodate 75 passengers 35 in the lower deck ...

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