find the total no. of 4 digit odd numbers if the digits used are not repeated
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1 +3+5+7 = 16 answer in even because if we add even no. and is even and if we add odd no. so is even
nishtha1628:
its a question about permutation
i asked the total no. of four digit odd numbers which can be formed using digits 0123456789 such that the digits are not repeated
ok
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