ProbabilityHard
Question
The number ′a′ is randomly selected from the set {0, 1, 2, 3, ........ 98, 99}. The number ′b′ is selected from the same set. Probability that the number 3a + 7b has a digit equal to 8 at the units place, is -
Options
A.1/16
B.2/16
C.4/16
D.3/16
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