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# A Bag Contains 100 Identical Marble Stones Which Are Numbered 1 to 100. If One Stone is Drawn at Random from the Bag, Find the Probability that It Bears: a Number Divisible by 4 Or 5 - ICSE Class 10 - Mathematics

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ConceptProbability - A Theoretical Approach

#### Question

A bag contains 100 identical marble stones which are numbered 1 to 100. If one stone is drawn at random from the bag, find the probability that it bears:

a number divisible by 4 or 5

#### Solution

Total number of possible outcomes=100

Number which are divisible by 4 or 5=4,5,8,10,12,15,16,20,24,25,28,30,32,35,36,40,44,45,48,50,52,55,56,60,64,65,68,70,72,75,76,80,84,85,88,90,92,95,96,100

Nimber of faavorable outcomes=40

p(numer divisible by 4 or 5)=40/100=2/5

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Solution A Bag Contains 100 Identical Marble Stones Which Are Numbered 1 to 100. If One Stone is Drawn at Random from the Bag, Find the Probability that It Bears: a Number Divisible by 4 Or 5 Concept: Probability - A Theoretical Approach.
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