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Abhiram nair Grade: 12
        
The number of 6 digit numbers that can be made with the digits 1,2,3 and 4 and having exactly two pairs of digits, is
one year ago

Answers : (1)

Nishant Vora
IIT Patna
askIITians Faculty
2469 Points
										exactly two pairs means we can pair 1,2 with 3,4 and so on

Hence, 2 pairs = 4 numbers

hence all 4 numbers should be included

so number of 6 digit numbers which can be formed by using thedigits 1,2,3 and 4.

4^6

one year ago
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