Math, asked by kunj2828, 1 year ago

The number of different 7 digit numbers that can be formed by digits 1232334

ignitedlearner: 420

Answers

Answered by ignitedlearner

1

for permutation with repetition

2 is repeating two times and 3 is 3 times

thus number of different permutation

= 7!/3!*2!

= 7*6*120/6*2

= 60*7 = 420

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