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No. of 6 digit nos. which have 3 digits even and 3 digits odd, if each digit is to be used at least once is equal to 510, then n is?

No. of 6 digit nos. which have 3 digits even and 3 digits odd, if each digit is to be used at least once is equal to 510, then n is?

Grade:12

1 Answers

Badiuddin askIITians.ismu Expert
148 Points
12 years ago

Dear jee king

question is not clear

how can we use each digit at least one in 6 digit number

 

check it and post agian

Regards

Badiuddin

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