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How many numbers can be made with the help of the digits0,1,2,3,4,5which are grater than 3000 (repetition is not all allowed

How many numbers can be made with the help of the digits0,1,2,3,4,5which are grater than 3000 (repetition is not all allowed

Grade:7

2 Answers

Sher Mohammad IIT Delhi
askIITians Faculty 174 Points
10 years ago
total number with 6 digit possible =6!=720
numbers less than or equal to 3000=3*5*4*3=180
total number which are greater than 3000= 720-180=540


sambit
14 Points
10 years ago
no. of 4 digit no.s above 3000 is 3*5*4*3 =180 no. of 5 digit no.s = 5*5*4*3*2=600 no. of six digit no.s =5*5*4*3*2*1=600 total no. of required no.s = 180+600+600=1380 ..(q.e.d)

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