Question

a number of 4 digit is formed by using 1,2,3,4,5,6,7. find the probability that it is divisible by 5.​

Answer 1

Answer:

1/4 or 0.25

Step-by-step explanation:

As per the question, there are 24 possible numbers that can be formed using 1,2,3,5 without repetitions.

Also, there are only 6 possible numbers that are divisible by 5.( 1235 , 1325 , 2135 , 2315 , 3125 and 3215).

Hence the probability is 6/24=0.25 or 1/4

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