Statements: All tractors are scooters.
Some scooters are boys.
Cconclusions: I All boys are scooters.
II All boys are tractors.
III. Some tractors are boys.
IV. No tractor is a boy.

Options

A. Only I follows
B. Only II and III follows
C. Either II or III follows
D. Either III or IV follows

Answer

D

Explanation

A+I= No conclusion. But, III and IV form an E-1 (which is complementary) pair. So, one of them must be true.