Q. 124.4( 5 Votes )
The largest 5-digit number having three different digits is
To obtain the largest 5 digit number, digits must be used from 9 in the descending order.
As we have to use 3 different digits, they are 9, 8 and 7
Also since we need the largest digit, only the ones and tens place be filled by 8 and 7.
Rest by 9 which is the largest digit.
Hence, the answer is 99987
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