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JOYAL
 2 years ago
if 4 digit numbers greater than 5000 are randomly formed from the digits 1,3,5,7&0,what is the probability of forming a number divisible by 5 when, 1.the digits are repeated? 2.the repetition of digits is not allowed?
JOYAL
 2 years ago
if 4 digit numbers greater than 5000 are randomly formed from the digits 1,3,5,7&0,what is the probability of forming a number divisible by 5 when, 1.the digits are repeated? 2.the repetition of digits is not allowed?

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JOYAL
 2 years ago
Best ResponseYou've already chosen the best response.0yes... please explain the steps...

sauravshakya
 2 years ago
Best ResponseYou've already chosen the best response.2To be divisible by 5 the last digit must be either 0 or 5

sauravshakya
 2 years ago
Best ResponseYou've already chosen the best response.2So, 2/number of different digits we can choose for the last digit = 2/5

JOYAL
 2 years ago
Best ResponseYou've already chosen the best response.0so,what's the answer for 2 case??????????????

sauravshakya
 2 years ago
Best ResponseYou've already chosen the best response.2(1*1*3*2 + 1*2*3*2)/(2*4*3*2)

sauravshakya
 2 years ago
Best ResponseYou've already chosen the best response.2If the first digit is 5 then the last digit must be 0 If the first digit is 7 then the last digit can be either 0 or 5

sauravshakya
 2 years ago
Best ResponseYou've already chosen the best response.2Which gives No. of numbers divisible by 5 greater than 5000 = 1*1*3*2+1*2*3*2

sauravshakya
 2 years ago
Best ResponseYou've already chosen the best response.2And No. of numbers that can be formed greater than 5000= 2*4*3*2 as the first digit must be either 5 or 7

JOYAL
 2 years ago
Best ResponseYou've already chosen the best response.0yes.thanks.... can you answer 1 more question please?

sauravshakya
 2 years ago
Best ResponseYou've already chosen the best response.2Okay.... but post it seperately
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