SOMETHING VERY INTERESTING

Letters 'a', 'b', 'c' 'd' do not appear anywhere in the spellings of 1 to 99, (Letter 'd' comes for the first time in Hundred)

Letters 'a', 'b' 'c' do not appear anywhere in the spellings of 1 to 999, (Letter 'a' comes for the first time in Thousand)

Letters 'b' 'c' do not appear anywhere in the spellings of 1 to 999,999,999, (Letter 'b' comes for the first time in Billion)

And

Letter 'c' does not appear anywhere in the spellings of entire English Counting

Just Try......... ......... .......

except

..C ..for...CASH !!