The number of integers greater than 6,...

The number of integers greater than 6,000 that can be formed, using the digits 3, 5, 6, 7 and 8, without repetition, is :

A

120

B

72

C

216

D

192

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The correct Answer is:

D

Four digit numbers can be arranged in `3xx4!=72` ways and five digit numbers can be arranged in 5!=120 ways
`therefore`Number of integers=72+120=192

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