Of the 65 families in a locality, 45 have children and 10 have retired individuals as members. Of the families, 8 have both children and retired individuals as members. How many of the families have neither children nor retired individuals as members?
A.
B. 2
C. 18
D. 20
E. 26
সঠিক উত্তরঃ
C.
18
Explanation:
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