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mehrasa
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how many odd 3-digit Nos can write in which 5 is not in unit digit?
hundreds digit: 1-9 (9 ways)
tens digit: 0-9 (10 ways)
units digit: 1,3,7,9 (4 ways)
total: 9*10*4= 360
I want to know whether this is correct?
hundreds digit: 1-9 (9 ways)
tens digit: 0-9 (10 ways)
units digit: 1,3,7,9 (4 ways)
total: 9*10*4= 360
I want to know whether this is correct?
