how many odd numbers, less than 1000 can be formed by using the digit 0,3,5,7 ,when repeation of the digit is not allowed.?
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The numbers formed are-35
3
5
7
57
75
53
37
73.
3
5
7
57
75
53
37
73.
srajan08:
wrong
it was till 1000 not 100
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