Find the number of odd integers between 3000 and 7999 in which no digit is repeated
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the no. of such odd digit integer are 2016
Anonymous:
since the first digit can filled only by 4,5,6,7
and in remaining digits repeatation not allowed therefore
the answer is 4*9*8*7
ok
u got it
why the first digit is filled only by 4, 5, 6, 7?
since the no. is between 3000 and 7999
ok. I got it thank you..
first digit means thousandth digit
ur welcome
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