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Maths Puzzle
A 5-digit number is formed by the digits 1,2,3,4, and 5 without repetition. What is the probability that the number formed is a multiple of 4??
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- numbers divisible by 4 within 1,2,3,4,5 are 12, 24,32,52
remaining 3 digits = 3! = 6ways
no. divisible by 4= 6*4 = 24
total 5 digits can be formed = 5!= 120 ways
so 24/120 = 1/5 is the desirable probabilty - 7 years agoHelpfull: Yes(2) No(0)
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