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Ramesh has 6 friends. In how many ways c...

Ramesh has 6 friends. In how many ways can be invite one or more of them at a dinner ? (A) 61 (B) 62 (C) 63 (D)64

A

61

B

62

C

63

D

64

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OBJECTIVE RD SHARMA ENGLISH-PERMUTATIONS AND COMBINATIONS-Chapter Test
  1. In an examinations there are three multiple choice questions and each ...

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  2. There are 10 points in a plane, out of these 6 are collinear. If N is ...

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  3. Ramesh has 6 friends. In how many ways can be invite one or more of th...

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  4. If Pm stands for ^m Pm , then prove that: 1+1. P1+2. P2+3. P3++ndotPn=...

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  5. The number of ways four boys can be seated around a round talble in fo...

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  6. We are required to form different words with the help of the letters o...

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  7. A candidate is required to answer 6 out of 10 questions, which are ...

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  8. The number of ways in which 6 men and 5 women can dine at a round tabl...

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  9. A students is to answer 10 out of 13 questions in an examminations suc...

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  10. Write the number of all possible words that can be formed using the ...

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  11. In a group of boys, two boys are brothers and six more boys are pres...

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  12. Nishi has 5 coins, each of the different denomination. Find the number...

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  13. Write the number of ways in which 5 boys and 3 girls can be seated in ...

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  14. How many different nine-digit numbers can be formed from the digits of...

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  15. The number of 4 digit even numbers that can be formed using 0, 1, 2, 3...

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  16. The number of ways in which n ties can be selected from a rack display...

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  17. There are n-points (ngt2) in each to two parallel lines. Every point o...

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  18. The maximum number of points of intersection of 8 circles is

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  19. The maximum number of points of intersection into which 4 circles and ...

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  20. In a circket charmpionship there are 36 matches. The number of teams i...

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