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Class 11 permutation and combinations
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Please help me with the above attachment..
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Anonymous:
4*3*2*1=24
Answers
Answered by
0
the different four digit numbers formed are
✴2347
✴2437
✴2374
✴2473
✴3247
✴3437
✴3724
✴3742
✴7432
✴2347
✴2437
✴2374
✴2473
✴3247
✴3437
✴3724
✴3742
✴7432
its incomplete
his ans?
Answered by
12
No. of 4 digits formed will be 4*3*2*1 = 24
2347
2374
2437
2473
2734
2743
3247
3274
3427
3472
3724
3742
4237
4273
4327
4372
4723
4732
7234
7243
7324
7342
7423
7432
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