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At an election a voter may vote for nany...

At an election a voter may vote for nany number of candidates , not greater than the number t be eected. There are 10 candidates and 4 are to be elected. If a voter for at lest one candidates, thene the number of ways in which he can vote is (A) 5040 (B) 6210 (C) 385 (D) 1110

A

6210

B

385

C

1110

D

5040

Text Solution

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The correct Answer is:
B
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AAKASH INSTITUTE-PERMUTATIONS AND COMBINATIONS -Assignment Section B Objective type questions (One option is correct )
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  4. In a party of 30 people eah shakes hands with the others, Number of ha...

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  5. On the event of new year each student of class XI sends cards to his c...

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  10. Find the sum of all five digit numbers ,that can be formed using the d...

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  12. Let y be an element of the set A={1,2,3,4,5,6,10,15,30} and x(1), x(2)...

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  13. There are 12 points in a plane in which 6 are collinear. Number of dif...

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  14. Let Tn denote the number of triangles, which can be formed using th...

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  15. A polygon has 44 diagonals , then the number of its sides is

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  16. There are m points on the line AB and n points on the line AC, excludi...

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  18. The number of divisors of the form 4K + 2 , K ge 0 of the integers 24...

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