arindameducationusc
  • arindameducationusc
Permutation part 2 (Tutorial) More examples! Awesome!
Probability
  • Stacey Warren - Expert brainly.com
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schrodinger
  • schrodinger
I got my questions answered at brainly.com in under 10 minutes. Go to brainly.com now for free help!
arindameducationusc
  • arindameducationusc
\(\Huge\color{red}{Permutation~part~2} \) anybody who could not follow part 1 can click the link below. http://openstudy.com/study#/updates/55d9654be4b0a0d51270edbf
arindameducationusc
  • arindameducationusc
\(\Large\color{red}{Q} \) How many even numbers are there with 3 digits such that if 5 is the one digit then seven is the next digit. \(\Large\color{blue}{Ans} \) Even numbers are 0,1,2,4,6,8 Case 1) |dw:1440995300524:dw|
arindameducationusc
  • arindameducationusc
Case 2=> |dw:1440995388838:dw| This is a case where we calculate the even numbers when 5 is not in hundredth place. We have to consider this also1 so,8*9*5=360 so, total=case1+case2 5+360=365

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arindameducationusc
  • arindameducationusc
\(\Large\color{red}{Q} \) How many 4 digit number divisible by four can be made with the digits 1,2,3,4,5 if repetition of the digits is not allowed.
arindameducationusc
  • arindameducationusc
\(\Large\color{blue}{Ans} \) |dw:1440998584419:dw|
arindameducationusc
  • arindameducationusc
in the above 1 and 2 are fixed and in the below 3 and 2 are fixed |dw:1440998804949:dw|
arindameducationusc
  • arindameducationusc
below 2 and 4 are fixed |dw:1440998874944:dw|