The question given below has a set of four statements.Each statement has
three segments.Choose the alternative where the third segment in the
statement can be logically deduced using both the preceding two, but not
from one of them.
I. All mammals are viviparous. Some fish are viviparous. Some fish are mammals.
II. All birds are oviparous. Some fish are not oviparous. Some fish are birds.
III. No mammals is oviparous. Some creatures are oviparous and same are not. Some creatures are not mammals.
IV. Some creatures are mammals. Some creatures are viviparous. Some mammals are viviparous.
Answer: C From the figure it is definitely true that a least the shaded region is not related with the creatures. Hence, some creatures are not mammals.
Q. No. 8:
The question given below consists of five statements followed by options consisting of three statements put together in a specific order. Choose the option which indicates a valid argument, that is, where the third statement is a conclusion drawn from the preceding two statements.
I. All actors are handsome. II. Some actors are popular. III. Ram is handsome IV. Ram is a popular actor V. Some popular people are handsome.
Answer: B From the figure it is clear that some popular are handsome.
Q. No. 9:
The question given below has a set of four statements.Each statement has
three segments. Choose the alternative where the third segment in the
statement can be logically deduced using both the preceding two, but not
from one of them.
I. Some icicles are cycles. All cycles are men. Some icicles are men. II. All girls have teeth. No teeth are yellow. No girls are yellow. III. No hand is foot. Some feet are heads. Some hands are heads. IV. Every man has wife. All wives are devoted. No devoted has a husband.
Answer: B From the figure it is clear that "Some icicles are men". It is clear that girls are yellow will not have any association.
Q. No. 10:
The question given below contains six statements. You have to choose that set in which the third statement logically follows from the first two.
I. No mother is a nurse. II. Some nurses like to work. III. No woman is a prude. IV. Some prude are nurses. V. Some nurses are women. VI. All women like to work.
