Question
How many odd numbers less than 1000 can be formed using the digits $0,2,5,7$ ? (repetition of digits is allowed).(a) 52(b) 32(c) 22(d) 42
Step 1
We need to create odd numbers less than 1000 using the digits 0, 2, 5, and 7. The odd digits available to us are 5 and 7, since an odd number must end with an odd digit. Show more…
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