Question

A two digit number is formed from the digits 2,3,5,7 without repetition. what is the probability if the number formed is a prime number?​

Answer 1

Answer:

1/3

Step-by-step explanation:

the numbers formed will be

23

25

27

32

35

37

52

53

57

72

73

75

Prime numbers are

23

37

53

73

probability = number of prime no/total no formed

prob= 4/12

Prob = 1/3

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