What is the probability that a number selected at random from the numbers

Question:

What is the probability that a number selected at random from the numbers 3, 4, 5, ....9 is a multiple of 4?

Solution:

GIVEN: numbers are 3, 4, 5, 6…9

TO FIND: Probability of Getting multiple of 4

Total number is 9−3+1=7

Numbers which are multiple of 4 between 3 and 9 are 4 and 8

Total number which are multiple of 4 between 3 to 9 is 4 and 8 is 2

We know that PROBABILITY = 

Hence probability of getting a number which is a multiple of 4 is 

Hence probability of getting a number which is a multiple of 4 is equal to 

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