Arithmetic Ability
 Probability

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Q.

A six-sided die with faces numbered 1 through 6 is rolled three times. What is the probability that the face with the number 6 on it will not face upward on all the three rolls?

View Answer

Correct choice: A

Explanation:

Probability of getting 6 at the top once =1/6 Probability of getting 6 at the top three times =1/6 x 1/6 x 1/6 =216 Probability of no getting 6 at he top any time = 1 - 1/216 = 215/216
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