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  1. If E be the set of all integers with 1 in their unit place. The probability that a number chosen {2, 3, 4,...50} is an elements of E, is ?
    1. 5/49
    2. 4/49
    3. 3/49
    4. 2/49
Correct Option: B

Favourable numbers are 11, 21, 31, 41.
∴ Required probability = 4/49


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