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Grade: 7

                        

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

6 years ago

Answers : (2)

Sher Mohammad
IIT Delhi
askIITians Faculty
174 Points
							
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


6 years ago
sambit
14 Points
							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)
						
6 years ago
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