Question

the faces of a die bear number 0, 1, 2, 3, 4, 5. if the die is rolled twice then find the probability that the product of the digit on the upper face is zero

Answer 1

No. of different number written on the dice = 6
No. of zeros written on the dice = 1 Then, probability of getting a zero once = 1/6
So, probability of getting zero when dice is twice rolled = 1/6 * 2/2 = 2/12
So the answer is 2/12 which can be simplified to get 1/6.
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