How many four digit numbers can be formed using the digits 0,1,5,6,8,9 that begin with 8 and ending with 9?
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Keeping the first and last position
fixed there will be 2 vaccant space
which is to be filled by 6nos. And had
arranged so,
So,no. Of ways 6×6=36.
Hence , 36 no. Can be made .
Hope it helps
fixed there will be 2 vaccant space
which is to be filled by 6nos. And had
arranged so,
So,no. Of ways 6×6=36.
Hence , 36 no. Can be made .
Hope it helps
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