How many odd numbers less tgan 1000 will consist of 1-digit, 2-digit or 3-digit. The digits to be used are 0, 1, 4, 5, 7, 8 satisfying the given condition and repetion of digits is allowed.
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3 digits = 5×6×3 = 90
2 digits = 5×3 = 15
single digit = 3
now, add all the numbers = 90+15+3 = 108
108 numbers can be formed with 0,1,4,5,7,8
#Hassan
2 digits = 5×3 = 15
single digit = 3
now, add all the numbers = 90+15+3 = 108
108 numbers can be formed with 0,1,4,5,7,8
#Hassan
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