Q. 295.0( 2 Votes )

How many 3-digit

Answer :

100’s place 10’s place Unit’s place


There are total 5 digits available ,for forming a 3 digit number,in 100’s place only 1,3,5,7 can be used(0 not included because it will lead to formation of 2 digit number.)


In 10’s place any of the 5 can be used and same is the case with one’s place.


So total number of 3 digit numbers formed=4 × 5 × 5=100


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