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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 5 - Mathematics

Sum

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 5 

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Solution

Total number of possible outcomes=100 

Number which are divisible by 5=5,10,,,15,20,,25,30,35,40,45,50,55,60,65,70,75,80,85,90,95,100

Number of favorable outcomes=20 

p(number diviisible by 5)=`20/100=1/5`

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APPEARS IN

Selina Concise Maths Class 10 ICSE
Chapter 25 Probability
Exercise 25 (C) | Q 24.3 | Page 395
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