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how many no.s are form from number 1,2,3,4,5.(include all digit no.s)
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- its asked how many numbers in total jus not 5 digit numbers
1 digiit numbers 5
2digit numbers 5*4= 20
3 digit numbers 5*4*3 = 60
4 digit numbers 5*4*3*2 = 120
5 digit numbers 5*4*3*2*1 = 120
so total 325
note: when reptition is not allowed
- 11 years agoHelpfull: Yes(30) No(2)
- no's formed=(5^5+5^4+5^3+5^2+5^1)= 3905 ans.
- 11 years agoHelpfull: Yes(23) No(14)
- 5!=120
total no.s can be formed with 1,2,3,4,5 is 5!=120 - 11 years agoHelpfull: Yes(18) No(11)
- no of ways of 1 digit can formed=5
no of ways of 2 digit can formed=5*5
no of ways of 3 digit can formed=5*5*5
no of ways of 4 digit can formed=5*5*5*5
no of ways of 5 digit can formed=5*5*5*5*5
total possible no of ways of 5 digit no's can be formed is=5+5^2+5^3+5^4=5^5 - 11 years agoHelpfull: Yes(7) No(0)
- 5*4*3*2*1=120 it includes all d digits frm 1 to 5;
- 11 years agoHelpfull: Yes(3) No(4)
- 5+5^2+5^3+5^4+5^5
if repitation is allowed
if not than
5+5p2+5p3+5p4+5p5 - 11 years agoHelpfull: Yes(3) No(0)
- 5!+5p4+5p3+5P2+5p1
- 11 years agoHelpfull: Yes(2) No(1)
- Sorry dude its not right.....bcz it has said in qstn that "including all digit no", means number should be of 5 digit....so answer is 5^5.
- 11 years agoHelpfull: Yes(1) No(3)
- 5^5.
there are 5 places which we have to fill and also we have 5 option.so we can form the number in 5^5 ways
- 11 years agoHelpfull: Yes(1) No(0)
- for 1 digit numbers==> 5^1=5
for 2 digit numbers==> 5^2=25
for 3 digit numbers==> 5^3=125
for 4 digit numbers==> 5^4=625
for 5 digit numbers==> 5^5=3125
total number of numbers are = 5+25+125+625+1325 = 3905 - 10 years agoHelpfull: Yes(1) No(0)
- hey abhishek is it your right solution? if you will include all digit!!!your solution is wrong.
- 11 years agoHelpfull: Yes(0) No(0)
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