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The number of ways that 7 objects can...

The number of ways that 7 objects can be divided into 4 sets 3 of them having 2 and fourth having only 1

A

105

B

106

C

210

D

211

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The correct Answer is:
A
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AAKASH SERIES-PERMUTATIONS & COMBINATIONS-EXERCISE-II
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  2. The number of ways can a collection of 30 books be divided into two gr...

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  3. The number of ways that 7 objects can be divided into 4 sets 3 ...

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  4. The number of ways that 30 mangoes can be distributed among 5 boys if ...

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  5. The number of ways of distributing 8 indentical balls in 3 dis...

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  6. Number of ways in which 12 identical balls can be put in 5 different b...

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  7. The number of ways of selecting 10 balls out of an unlimited n...

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  8. If n is a natural number, then the number of non-negative integral sol...

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  9. Number of ways in which 3 sovereings be given away to 4 applicants and...

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  10. There are 14 Railway stations along a line. Number of ways of selectin...

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  12. Number of ways in which Rs. 18 can be distributed amongst four persons...

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  13. Number of ways of allotting 30 marks to 10 questions so that each ques...

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  14. Total number of ways of selecting six coins out of 20 one rupee coins,...

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  15. In the prime factorization of 37!""=2^(alpha(2)).3^(alpha(3)).5^(alpha...

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  16. If there are 5 perids in each working day of a school , then th...

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  17. Total number of 6 digited numbers in which all the odd digits and only...

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  18. The number of four letter words can be formed from the letters of the ...

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  19. The number of ways in which a mixed double game can be arranged from a...

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