The number of integers greater then 6000 that can be formed, using the digits 3,5,6,7 and 8, without repetition, is: -
A
120
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B
72
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C
216
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D
192
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Solution
The correct option is D 192 Four digits number can be arranged in 3×4! ways. Five digits number can be arranged in 5! ways. Number of integers =3×4!+5!=192