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The number of numbers less than 1000 tha...

The number of numbers less than 1000 than can be formed out of the digits 0,1,2,3,4 and 5, no digit being repeated, as

A

130

B

131

C

156

D

None of these

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The correct Answer is:
b
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FIITJEE-PERMUTATIONS & COMBINATIONS-ASSIGNMENT PROBLEMS (OBJECTIVE) LEVEL I
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  4. The number of ways in which a committee of 3 women and 4 men be chosen...

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  5. The sum of digits in the units place of all numbers formed with the...

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  6. Two numbers are chosen from 1,3,5,7,…147, 149 and 151 multiplied toget...

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  7. Four men and six women are to be seated along a round table. The numbe...

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  8. Let A={x(1),x(2),x(3)....,x(7)},B={y(1)y(2)y(3)}. The total number of ...

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  9. Q) The number ofpositive integer pairs (x, y) such that 1/x+1/y=1/2007...

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  10. The total number of positive integral solution of 15<x1+x2+x3lt=20 is ...

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  11. The number of n-digit numbers which contain the digits 2 and 7, but no...

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  12. The number of 'n' digit numbers such that no two consecutive digits ar...

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  13. The number of divisors of 3630, which have a remainder of 1 when divid...

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  14. Total number of ways of factorising the number of 676 in to two factor...

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  17. A seven digit number made up of all distinct digits 8,7,6,4,2,x and y ...

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  18. The number of integers between 1 and 1000 having their sum of digits e...

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  19. Number of positive unequal integral solution of the equationi x+y+z=6 ...

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