Question 5
If a two digit number is chosen at random, then the probability that chosen is a multiple of 5 is-------------
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Answer: 1/5
Total no. of 2-digit numbers = 90 (10 to 99)
No . of 2-digit numbers which are multiples of 5 - 18 (10,15,20,25,30,35,40,45,50,55,60,65,70,75,80,85,90,95)
∴ Probability that chosen no . is a multiple of 5 = 18/90 or 1/5 or 20% .
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