1.

In a class of 26 students, 14 have cats, 10 have dogs and 5 have parrots. If 4 have dogs and cats, 1 has dog and parrot, 3 have parrots and cats and no one has all the three. How many have none?

A. 1
B. 3
C. 5
D. 7
Answer» C. 5


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