An unbiased die is thrown . What is the probability of getting a number which is a multiple of 39
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by 13 ×3 we probality of getting a number which multiple by 39
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Let the three numbers be: x-1, x and x+1.
-Therefore, x-1 + x + x+1 =3x = 39
-Hence x, the middle number is 13.
-The other two numbers are 12 and 14.:
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