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Question
A Number is selected at random from first thirty natural numbers. What is the chance that it is a multiple of either 3 or 13?
A Number is selected at random from first thirty natural numbers. What is the chance that it is a multiple of either 3 or 13?
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Solution
The correct option is B
Option (b)
Total sample space is 30
The number of multiples of 3 are 10 and the number of multiples of 13 are 2, out of which none of them are common. Hence, answer is. 
Option (b)
Total sample space is 30
The number of multiples of 3 are 10 and the number of multiples of 13 are 2, out of which none of them are common. Hence, answer is.
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