Question

What is the probability of a 2 digit number is divisible by both 4 and 6,by either 4 or 6,but not both

Answer 1

Answer:

⇒ Total number of two digit number =90

⇒ Total number of two digit number which is divisible by 3=30

Out of this there are 6 numbers divisible by 15 (15,30,45,60,75,90) which are also divisible by 5.

⇒ Total two digit number which are divisible by 3 but not 5=30−6=24

⇒ Required probability = 24/90=4/15

Step-by-step explanation:

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