In a class of 35, students are numbered
from 1 to 35. The ratio of boys to girls
is 4:3. The roll numbers of students begin with boys and end with girls. Find
the probability that a student selected is
either a boy with prime roll number or
a girl with composite roll number or an
even roll number.

Matching exercise

    
Match the items on the right to the items on the left.
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