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KEAM 2022 Math Solved Paper

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Question : 12

Total: 120

In a box there are four marbles and each of them is marked with distinct number from the set {1,2,5,10}. If one marble is randomly selected four times with replacement and the number on it noted, then the probability that the sum of numbers equals 18 is

‌
1
64
‌
3
16
‌
5
32
‌
3
32
‌
1
32

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